Math, asked by ayushsinghyush9669, 7 months ago

10: If sin 3A= cos (A– 6°), where 3A is an acute angle, find the value of A

Answers

Answered by msingh090904

2

Answer:

cos(90-3A)=cos(A-6)

90-3A=A-6

A+3A=90-6

4A=84

A=84/4

A=21

answer is 21 degree

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