Math, asked by kalyaniambati118, 1 day ago

cos²33 - cos^257°/sin21°-cos21°

Answers

Answered by jiroy908

0

Answer:

cos²(90-57) - cos257 / sin (90-69 ) - cos 21

sin 57 - cos (360-257) / cos 21 - cos 21

sin 57 - sin 103

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