Math, asked by sagar8202, 1 year ago

Tan theta + tan 90 - theta equal to sin theta into sin 90 minus theta

Answers

Answered by Anonymous

3

Tan theta/cot theta + cos theta/cos theta

=>sin2 theta/cos2 theta + 1

=>sin2 theta + cos2 theta/cos2 theta

=>1/cos2 theta

=>sec2 theta.

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