Polar equations calculator

e. = eccentricity. Po. = orbital period. Vo. = orbital velocity. Rsyn. = Synchronous Orbit. The planetary calculator performs simultaneous calculations for all of the planets in the Solar System using current physical and orbital data.

Polar equations calculator. Show Solution. We can also use the above formulas to convert equations from one coordinate system to the other. Example 2 Convert each of the following into an equation in the given coordinate system. Convert 2x−5x3 = 1 +xy 2 x − 5 x 3 = 1 + x y into polar coordinates. Convert r =−8cosθ r = − 8 cos. ⁡.

The equation has failed the symmetry test, but that does not mean that it is not symmetric with respect to the pole.Passing one or more of the symmetry tests verifies that symmetry will be exhibited in a graph. However, failing the symmetry tests does not necessarily indicate that a graph will not be symmetric about the line θ = π 2, θ = π 2, the polar axis, or the pole.

Sep 18, 2015 ... Here's a a quick video tutorial on polar graphing in the Desmos Graphing Calculator (https://www.desmos.com/calculator).The cardioid has Cartesian equation (x^2+y^2+ax)^2=a^2 (x^2+y^2), (3) and the parametric equations x = acost (1-cost) (4) y = asint (1-cost). (5) The cardioid is a degenerate case of the limaçon. It is also a 1-cusped epicycloid (with r=r) and is the catacaustic formed by rays originating at a point on the circumference of a circle and ...Section 9.9 : Arc Length with Polar Coordinates. 1. Determine the length of the following polar curve. You may assume that the curve traces out exactly once for the given range of θ θ . r =−4sinθ, 0 ≤ θ ≤ π r = − 4 sin. For problems 2 and 3 set up, but do not evaluate, an integral that gives the length of the given polar curve.Earlier, you were asked about how to use your calculator to graph polar equations. Solution. Most calculators have a polar coordinate mode. On the TI-84, the mode can be switched to polar in the mode menu. This changes the graphing features. You can choose to be in radians or degrees and graphs will look the same.In this video I go over further into Polar Coordinates and this time show how to graph polar curves using the amazing Desmos online graphing calculator! Pola...Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry Plane Geometry Solid Geometry Conic Sections TrigonometryKey Terms. In mathematics, a parametric equation of a curve is a representation of the curve through equations expressing the coordinates of the points of the curve as functions of a variable called a parameter. For example, x = \cos (t) \\ y = \sin (t) x = cos(t) y = sin(t) is a parametric equation for the unit circle, where t t is the parameter.

Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry Plane ... Systems of Equations Calculator, Elimination. A system of equations is a collection of two or more equations ...Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry Plane Geometry Solid Geometry Conic Sections TrigonometryGraphing Polar Equations. 1. From the Graph Entry/Edit menu, select Polar. 2. Type an expression for rn ( θ ). 3. (Optional) Edit the default values for θmin, θmax, and θstep. 4. Press Enter.Similarly, converting an equation from polar to rectangular form and vice versa can help you express a curve more simply. Follow these five steps to convert equations between the polar and rectangular systems: Step 1: Identify the form of your equation. A quick glance at your equation should tell you what form it is in.To convert an equation given in polar form (in the variables #r# and #theta#) into rectangular form (in #x# and #y#) you use the transformation relationships between the two sets of coordinates: #x=r*cos(theta)# #y=r*sin(theta)# You have to remember that your equation may need some algebraic/trigonometric manipulations before being …

To do it, simply polar coordinate calculator use the following polar equation to rectangular: $$ x = r * cos θ y = r * sin θ $$ The value y/x is the slope of the line that joining the pole and the arbitrary point. Example: Convert (r, θ) = (2, 9) to Cartesian coordinates. Solution: To convert this the polar to rectangular calculator use the ... Equation of a Line Gradient of a Line Polar Curves Parametric Curves Derivative Calculator Integral Calculator Formulas and Notes Equation Calculator Algebra Calculator. Graphing Calculator Plot Functions, Intercepts, Inverse. Enter the function. Use x as your variable. See Examples. y = log$_{ }{ }$ sin-1: cos-1:Free Parabola calculator - Calculate parabola foci, vertices, axis and directrix step-by-step We've updated our ... Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry ...Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry Plane Geometry Solid Geometry Conic Sections Trigonometry. Calculus.Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more. Polar Coordinates: Graphing Calculator. Save Copy. Log InorSign Up. r = sin 2 2. 4 · θ + cos 2. 4 · θ 4. 1. sin 2 2. 4 · t + cos 2. 4 · t 4 · cost, sin 2 2. 4 ...Free quadratic equation calculator - Solve quadratic equations using factoring, complete the square and the quadratic formula step-by-step ... Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic ...

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Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more. Polar equations. Save Copy. Log InorSign Up. r = 1 6 0 cos 2 θ. 1. r = − 1 6 0 cos 2 θ. 2. r = 1 0 0 sin 3 θ. 3. r ...Polar Equation Area Calculator. Inputs the polar equation and bounds (a and b). Outputs the resulting area under the curve. Get the free "Polar Equation Area Calculator" widget for your website, blog, Wordpress, Blogger, or iGoogle. Find more Mathematics widgets in …Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry Plane Geometry Solid Geometry Conic Sections TrigonometryEquations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry Plane Geometry Solid Geometry Conic Sections Trigonometry

Polar form. Settings: Find approximate solution Hide steps. Compute. example 1: Find the complex conjugate of z = 32 −3i. example 2: Find the modulus of z = 21 + 43i. example 3: Find the inverse of complex number 3−3i.rectangular to polar. Have a question about using Wolfram|Alpha? Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music….Scientists have come up with a new formula to describe the shape of every egg in the world, which will have applications in fields from art and technology to architecture and agric...Feb 1, 2023 ... Share your videos with friends, family, and the world.Polar Form Equation of a Circle. The polar form looks somewhat similar to the standard form, but it requires the center of the circle to be in polar coordinates from the origin. In this case, the polar coordinates on a point on the circumference must satisfy the following equation, where a is the radius of the circle.The polar function graphing calculator computes the signed distance r(θ) and locates that point along the radial axis. The polar function grapher then connects this point to the …theorem: Symmetry in Polar Curves and Equations. Consider a curve generated by the function r=f\left (\theta \right) in polar coordinates. The curve is symmetric about the polar axis if for every point \left (r,\theta \right) on the graph, the point \left (r,-\theta \right) is also on the graph. Similarly, the equation r=f\left (\theta \right ...Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry Plane Geometry Solid Geometry Conic Sections TrigonometryFree Hyperbola calculator - Calculate Hyperbola center, axis, foci, vertices, eccentricity and asymptotes step-by-step ... Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate ...

It can also convert complex numbers from Cartesian to polar form and vice versa. Example 1: Perform addition (2 + 3i) + (1 - 4i) leaving the result a) in polar form and b) in rectangular form. Example 2: Find a square root of 10 ∠ 35° leaving the result a) in polar form, b) in rectangular form. Cartesian Polar. degree radian. First number ...

A beautiful, free 4-Function Calculator from Desmos.com.Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry Plane Geometry Solid Geometry Conic Sections TrigonometryThe line segment starting from the center of the graph going to the right (called the positive x-axis in the Cartesian system) is the polar axis.The center point is the pole, or origin, of the coordinate system, and corresponds to r = 0. r = 0. The innermost circle shown in Figure 7.28 contains all points a distance of 1 unit from the pole, and is represented by the equation r = 1. r = 1.Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.Dividing Complex Numbers / Imaginary Numbers. To divide complex numbers a+bi and c+di, first multiply by (c-di)/(c-di), and then use the usual laws of algebra keeping in mind that i*i = -1 . Complex number calculator: Do all operations (+−×/^) & functions (sin,log,etc) on real/imaginary/complex numbers. Convert Rectangular ⇄ Polar.The bond polarity between two atoms can be estimated if you know the electronegativity of both elements. Calculate the electronegativity difference (ΔEN) and average ( EN) of the two electronegativities, and use the table below to determine the bond type and polarity. Calculate the molecular polarity (polar, non-polar) of a chemical bond based ...From our work in the previous section we have the following set of conversion equations for going from polar coordinates to Cartesian coordinates. x = rcosθ y = rsinθ x = r cos. ⁡. θ y = r sin. ⁡. θ. Now, we'll use the fact that we're assuming that the equation is in the form r = f (θ) r = f ( θ).All you have to do is enter polar coordinates i.e radius and angle in the input fields and tap on the calculate button of the Polar to Rectangular Calculator to obtain the rectangular coordinates i.e x and y in no time. Polar to Rectangular Calculator Enter the Polar Coordinates. r coordinate =. θ coordinate =. Calculate.Equations Inequalities System of Equations System of Inequalities Basic Operations Algebraic Properties Partial Fractions Polynomials Rational Expressions Sequences Power Sums Interval Notation Pi ... calculus-calculator. convert polar to rectangle, \left(2, -\frac{\pi}{2}\right) en. Related Symbolab blog posts.

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To convert an equation given in polar form (in the variables #r# and #theta#) into rectangular form (in #x# and #y#) you use the transformation relationships between the two sets of coordinates: #x=r*cos(theta)# #y=r*sin(theta)# You have to remember that your equation may need some algebraic/trigonometric manipulations before being …The Formula Behind the Calculator. The area between two polar curves is found by integrating the difference of the squared functions representing the curves, with respect to the angle, over the given interval. The formula is as follows: A = 1/2 ∫ from α to β [ (f (θ))^2 - (g (θ))^2] dθ. Here, f (θ) and g (θ) are the functions ...Click on the menu from the top-left corner of the screen and select ' Graphing .'. You will then see a two-dimensional plotting surface where you can input equations and find out what their ...The Desmos Graphing Calculator considers any equation or inequality written in terms of r r and θ 𝜃 to be in polar form and will plot it as a polar curve or region. By default, polar curves are plotted for values of θ 𝜃 in the interval [0,12π]. [ 0, 12 π]. If the calculator is able to detect that a curve is periodic, its default ...Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry Plane Geometry Solid Geometry Conic Sections TrigonometryThe bond polarity between two atoms can be estimated if you know the electronegativity of both elements. Calculate the electronegativity difference (ΔEN) and average ( EN) of the two electronegativities, and use the table below to determine the bond type and polarity. Calculate the molecular polarity (polar, non-polar) of a chemical bond based ...Convert the rectangular coordinates (3, 6) to polar coordinates. Express the polar angle in degrees. Solution: 1.) First, let's find our radius coordinate. Applying the formula gives us: r = (3 2 + 6 2) = 6.708. 2.) Now let's find the angle coordinate.Use the keypad given to enter polar curves. Use θ as your variable. Click on "PLOT" to plot the curves you entered. Here are a few examples of what you can enter. Here is how you use the buttons. Plots the curves entered. Removes all text in the textfield. Deletes the last element before the cursor.Polar equation plotter. Write the polar equation in terms of in the box. Use t to represent θ. Use the functions sin (), cos (), tan (), ln (), exp (), abs (). Move the slider to adjust the value of radians and trace the curve. Switch on the ray to see how the curve changes with r and θ. Use the buttons along the top to move or zoom the display.The TI-84 Plus graphing calculator enables you to enter and graph polars equations. A polar coordinate system lives used in Pre-calculus class as yet another way to ... [ENTER]. Highlight POLAR in the fifth line to placement the calculator in Polar mode. See the primary screen. Polar equations can be graphed in Radius with Degrees mode; pay ...Polar equation plotter. Write the polar equation in terms of in the box. Use t to represent θ. Use the functions sin (), cos (), tan (), ln (), exp (), abs (). Move the slider to adjust the value of radians and trace the curve. Switch on the ray to see how the curve changes with r and θ. Use the buttons along the top to move or zoom the display. ….

The Polar to Cartesian Coordinate Converter is an online tool that converts polar coordinates to Cartesian coordinates and vice versa. Cartesian coordinates, also known as rectangular coordinates, are a two-dimensional coordinate system formed by two perpendicular axes, usually labeled the x-axis and y-axis. The point where the two axes meet is ...Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry Plane Geometry Solid Geometry Conic Sections TrigonometryFree Parabola calculator - Calculate parabola foci, vertices, axis and directrix step-by-step We've updated our ... Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry ...The Pre-Calculus Calculator covers a wide range of topics to help you learn pre-calculus. Whether you need to solve equations, work with trigonometric functions, or understand complex numbers, the calculator is designed to simplify your pre-calculus learning experience. How to Use the Pre-Calculus Calculator? Select a Calculator.The line segment starting from the center of the graph going to the right (called the positive x-axis in the Cartesian system) is the polar axis.The center point is the pole, or origin, of the coordinate system, and corresponds to r = 0. r = 0. The innermost circle shown in Figure 7.28 contains all points a distance of 1 unit from the pole, and is represented by the …To do it, simply polar coordinate calculator use the following polar equation to rectangular: $$ x = r * cos θ y = r * sin θ $$ The value y/x is the slope of the line that joining the pole …Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry Plane Geometry Solid Geometry Conic Sections Trigonometry Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more. Polar equations calculator, Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more., Equations Inequalities System of Equations System of Inequalities Basic Operations Algebraic Properties Partial Fractions Polynomials Rational Expressions Sequences Power Sums Interval Notation Pi ... double-integrals-calculator. polar coordinates. en. Related Symbolab blog posts. Advanced Math Solutions - Integral Calculator, substitution., Plot the solution to an equation in two variables: plot 3x^2-2xy+y^2=1. Plot a quadric surface: plot x^2 - 3y^2 - z^2 = 1. Inequalities. ... polar plot r=theta, theta=0 to 8 pi. Parametric Plots. Draw a parametric plot: parametric plot (cos^3 t, sin^3 t) Specify a range for the parameter:, Phasor Calculator. * General Instructions and Information. * Convert Phasor From Rectangular to Polar Form. * Convert Phasor From Polar to Rectangular Form. * Phasor Math Operations., These equations help up convert polar coordinates, (r, ) to cartesian coordinates (x, y). From the above activity, we see that moving around the point (r, ) gives us a circle if we go around 2 radians, a full revolution. With our conversion above, our circle equation, and r = . Now we have Cartesian to Polar coordinate conversion equations., Polar Form Equation of a Circle. The polar form looks somewhat similar to the standard form, but it requires the center of the circle to be in polar coordinates from the origin. In this case, the polar coordinates on a point on the circumference must satisfy the following equation, where a is the radius of the circle., Step 1: Enter the x and y coordinate values against the blocks titled x and y respectively. Step 2: Press the submit button for the calculator to process the polar coordinates r and θ. Output: The output will show four windows as follows: Input Interpretation:, Area Between Polar Curves | Desmos. Function f is the green curve. f θ = 4 sin 2θ. Function g is the blue curve. g θ = 2. This is the Area between the two curves. n1 2 ∫α1 α0 f θ 2dθ + n2 2 ∫β1 β0 g θ 2dθ. Number of green sections needed to complete or negate in order to achieve desired area. n1 = 8., Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more., Polar Equation Arc Length Calculator. Inputs the polar equation and bounds (a, b) of the graph. Outputs the arc length and graph of the equation. Get the free "Polar Equation Arc Length Calculator" widget for your website, blog, Wordpress, Blogger, or iGoogle. Find more Mathematics widgets in Wolfram|Alpha. , The full version of this precalculus video tutorial focuses on graphing polar equations. It explains how to graph circles, limacons, cardiods, rose curves, ..., The Pre-Calculus Calculator covers a wide range of topics to help you learn pre-calculus. Whether you need to solve equations, work with trigonometric functions, or understand complex numbers, the calculator is designed to simplify your pre-calculus learning experience. How to Use the Pre-Calculus Calculator? Select a Calculator., Describe the effect each of the parameters a, n, c, and d have on the graph of the polar equation given below. Carefully select values for each parameter to emulate the flower pictured. Your graph should have the same amount of petals as the major petals of the flower, should be of the same length, and have the same rotational location of those ..., Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry Plane Geometry Solid Geometry Conic Sections Trigonometry, Polar to Rectangular. Convert from polar form with magnitude and angle in degrees to rectangular (real and imaginary) in numerical form. Get the free "Polar to Rectangular" widget for your website, blog, Wordpress, Blogger, or iGoogle. Find more Mathematics widgets in Wolfram|Alpha., Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more., Key Terms. In mathematics, a parametric equation of a curve is a representation of the curve through equations expressing the coordinates of the points of the curve as functions of a variable called a parameter. For example, x = \cos (t) \\ y = \sin (t) x = cos(t) y = sin(t) is a parametric equation for the unit circle, where t t is the parameter., x = r ⋅ cosθ, y = r ⋅ sinθ. The Cartesian coordinates x and y can be converted to polar coordinates r and θ with r ≥ 0 and θ in the interval (− π, π] using the following formulas: r = x2 +y2− −−−−−√, θ = arctan(y x). If r is calculated first as above, then the formula for θ can be expressed more simply using the ..., Polar Curve Plotter. To sketch a polar curve, first step is to sketch the graph of r=f (θ) as if they are x,y variables. This will give a way to visualize how r changes with θ. The information about how r changes with θ can then be used to sketch the graph of the equation in the cartesian plane. Drag the slider at the bottom right to change ..., The tangent line slope calculator is an advanced online tool that can assist you in calculating tangent lines. It uses the tangent line's slope to calculate the tangent line's equation. It needs just an input value to provide you with a tangent line. It allows you to save your time and energy from doing manual calculations., Note: Calculators may give the wrong value of tan-1 () when x or y are negative ... see below for more. To Convert from Polar to Cartesian. When we know a point in Polar Coordinates (r, θ), and we want it in Cartesian Coordinates (x,y) we solve a right triangle with a known long side and angle:, The logarithmic spiral is a spiral whose polar equation is given by r=ae^(btheta), (1) where r is the distance from the origin, theta is the angle from the x-axis, and a and b are arbitrary constants. The logarithmic spiral is also known as the growth spiral, equiangular spiral, and spira mirabilis. It can be expressed parametrically as x = rcostheta=acosthetae^(btheta) (2) y = rsintheta ..., Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry Plane ... Systems of Equations Calculator, Elimination. A system of equations is a collection of two or more equations ..., Solution 34712: Graphing a Polar Equation on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators. How can I graph an equation in polar mode on the TI-83 Plus and TI-84 Plus family of graphing calculators? Polar equations can be graphed in either Radian or Degree mode. Follow the steps below to graph the equation r=1-sin q. Example :, Describe the effect each of the parameters a, n, c, and d have on the graph of the polar equation given below. Carefully select values for each parameter to emulate the flower pictured. Your graph should have the same amount of petals as the major petals of the flower, should be of the same length, and have the same rotational location of those ..., Graphing Polar Equations | Desmos. Loading... Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more., Polar Equation Area Calculator. Inputs the polar equation and bounds (a and b). Outputs the resulting area under the curve. Get the free "Polar Equation Area Calculator" widget for your website, blog, Wordpress, Blogger, or iGoogle. Find more Mathematics widgets in Wolfram|Alpha., Free Parabola calculator - Calculate parabola foci, vertices, axis and directrix step-by-step We've updated our ... Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry ..., The drag polar is a fundamental aspect of aircraft design and performance analysis. ... The skin friction coefficient and wing to fuselage interference factor can be obtained using the links to the calculators provided. ... We introduce a number of additional terms in the equation below; namely a lifting surface correction factor, and a factor ..., The tangent line calculator finds the equation of the tangent line to a given curve at a given point. Step 2: Click the blue arrow to submit. Choose "Find the Tangent Line at the Point" from the topic selector and click to see the result in our Calculus Calculator ! Examples . Find the Tangent Line at (1,0) Popular Problems, Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more. Polar Coordinates: Graphing Calculator. Save Copy. Log InorSign Up. r = sin 2 2. 4 · θ + cos 2. 4 · θ 4. 1. sin 2 2. 4 · t + cos 2. 4 · t 4 · cost, sin 2 2. 4 ..., Here, a = 7. The formula for area of cardioid is given by : A = 6 x 22/7 x 7 2. A = 6 x 22 x 7. A = 924 sq unit. The arc length of the cardioid is calculated by : L = 16 a = 16 x 7 = 112 unit. Example 3: If a circle with equation r = 3 sin θ and a cardioid whose equation is r = 1 + sin θ intersect each other., 2 Standard graphs in polar coordinates include circles and roses, cardioids and limaçons, lemniscates, and spirals. 3 To find the intersection points of the polar graphs r = f(θ) and r = g(θ) we solve the equation f(θ) = g(θ). In addition, we should always check whether the pole is a point on both graphs.