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How is (cos 5π/4 + isin 5π/4) = (cos -3π/4 + isin -3π/4)??

How is (cos 5π/4 + isin 5π/4) = (cos -3π/4 + isin -3π/4)??

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1 Answers

Anish Singhal
askIITians Faculty 1194 Points
4 years ago
Because cos(pi-pi/4) and cos(pi+pi/4) is same similarily for sin

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