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Question Number 164524 by daus last updated on 18/Jan/22

Answered by mindispower last updated on 18/Jan/22

$$polarcoordinat(r,a)\Rightarrow (r,a+\frac{\pi }{4})$$

Commented by mindispower last updated on 18/Jan/22

$$cos(a+\frac{\pi }{4})=\frac{1}{\sqrt{2}}(cos\left(a\right)-sin\left(a\right))$$

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