# Polar Equation

by jfhatch
Tags: equation, polar
 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
 P: 216 r = radius from x and y: $$r^2 = x^2 + y^2$$
 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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