x 2nd power = 6y convert each rectangular equation to a polar equation
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Originally Posted by scrappy x 2nd power = 6y convert each rectangular equation to a polar equation $\displaystyle x = r cos \theta$ $\displaystyle y = r sin \theta$ So $\displaystyle (r cos \theta)^2 = 6 r sin \theta$ $\displaystyle r^2 cos^2 \theta = 6 r sin \theta$ $\displaystyle r = \frac{6 sin \theta}{cos^2 \theta}$, $\displaystyle r \neq 0$ -Dan
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