Math, asked by deodeoprakash, 10 months ago

please solve this problem​

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Answers

Answered by saounksh
0

Answer:

A= 90º

Step-by-step explanation:

The given equation is

Sin(2A) = 2cos(A)

⇒ 2sin(A)cos(A) = 2cos(A)

⇒ 2sin(A)cos(A) - 2cos(A) = 0

⇒ 2cos(A)*(sin(A) - 1) = 0

⇒ cos(A) = 0 or sin(A) - 1 = 0

⇒ cos(A) = 0 or sin(A) = 1

⇒ A = 90º or A = 90º

⇒ A= 90º

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