Math, asked by selmasebastianutuber, 1 year ago

Prove sec²ɵ+cot²(90-ɵ)=2cosec²(90-ɵ)-1

Answers

Answered by mukul777555

1

cot(90-q)=tanq
$1 - {cos}^{2} q = {sin}^{2} q$

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