Math, asked by malarkumar106p26iaa, 1 year ago

prove that :
cos theta + cos 2 theta + cos 3 theta+cos 4 theta + sin theta + sin 2 theta + sin 3 theta +sin 4 theta = cot 5/2 theta

Answers

Answered by likhitha10

1

by using multiples and submultiples

saifkhan6: are esob ki ajker golpo...

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