Math, asked by ayelenyael015, 10 days ago

prove that sin a +cos a/ sin a- cos a+sin a- cos a/ san a+cos a=2/sin^2 a -cos^2 a=2/2 sin^2 a-1=2/1-2cos^2 a

Answers

Answered by ahmednekibuddin24
0

Answer:

please touch brinilt

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