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OpenStudy (anonymous):
i know area of polar is 1/2 integral r^2 dtheta. i know how to prove this using sectors of circlel. But how would you prove it with triangles? when i try to, i get 1/2 integral r dtheta
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OpenStudy (anonymous):
never mind, i get it now.
OpenStudy (anonymous):
i forgt to multiply r to dtheta to find opposite side, i just did dtheta.
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