Question

Express cot 85°+ cos 75°between 0° and 45°?​

Answer 1

Answer:

cot85+cos75

cot(90-5)+cos(90-15)

tan5+sin15

Answer 2

Answer:

Hello mate......

Here's your answer......

cot 85 degree = cot (90 - 5) = tan 5 degree

cos 75 degree = cos (90 - 25) = sin 25 degree

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