Question

cos(10+A)°=sin60°,then find the of A

Answer 1

Answer:

answer for the given problem is given

Answer 2

Step-by-step explanation:

Here is the Answer

Cos (10+A) = Sin (60)

Cos (10+A) = Sin (90-30)

Cos (10+A) = Cos 30

On equating

10+A=30

A=20

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