Math, asked by shashank9071, 8 months ago

cos²37° + cos²53° =?​

Answers

Answered by BABITAAHLAWAT
3

Answer:

1

Explanation:

cos(90°- theta) = sin theta

cos (90-37) = sin 37

cos 53 = sin 37

cos²37° + cos²53° = cos²37° + sin²37°

cos²theta° + sin²theta° =1

Hence

cos²37° + sin²37° = 1

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