Math, asked by 1601chirag, 1 year ago

Find A if sin2A=cos(3A+20)

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Answered by vanshgenius2004

0

sin2A = cos(3A + 20)

cos (90-2A ) = cos ( 3A + 20 )

90 - 2A = 3A + 20

70 = 5A

A =70/5

A = 14°

Answered by sandipdgkp

0

The answer is given below

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