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prove that (1+cos x +i sin x)/(1-cos x -i sin x)=i cot (x/2)

prove that (1+cos x +i sin x)/(1-cos x -i sin x)=i cot (x/2)

Grade:11

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4404 Points
5 years ago
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