Math, asked by Manishalow, 1 year ago

prove that sec^2a-cot^2a(90-a)=cos^2(90-a)+cos^2a​

Answers

Answered by brunoconti
0

Answer:

Step-by-step explanation:

BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

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Manishalow: can you do it more clearly your handwriting is not clear to me
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