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Polar Equation

by jfhatch
Tags: equation, polar
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Apr14-04, 06:22 PM
P: 1
If I have 2 equations as shown below, how can I make them into 1 polar equation?

x(theta) = a*cos(theta) * sin(k*theta)
y(theta) = a * sin(theta) * sin(k*theta)

Thanks very much
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Apr14-04, 08:12 PM
P: 216
r = radius from x and y:

[tex]r^2 = x^2 + y^2[/tex]
Apr14-04, 08:14 PM
P: 174
To maybe add a little to out's hint, square both of the equations you have and add them together. See what happens :).

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