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Mathematics 10 Online
OpenStudy (anonymous):

find an equation equivalent to x=y in polar coordinates

OpenStudy (anonymous):

\[x=y~~\iff~~r\cos\theta=r\sin\theta~~\Rightarrow~\tan\theta=1\text{ or }\cot\theta=1\] The curve is independent of \(r\), which is any real number. Whatever it is, the angle will always be \(\dfrac{\pi}{4}\).

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