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Rewrite in polar form:x^2 + y^2 - 2y = 7

1 Answer

4 votes

Answer:


r^2=2r\sin\theta+7

Explanation:

Recall that
r^2=x^2+y^2 and
y=r\sin\theta:


x^2+y^2-2y=7\\r^2-2r\sin\theta=7\\r^2=7+2r\sin\theta

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