Math, asked by koleynirupam321, 8 months ago

2sin^2A = 3(1-cosA) what is the value of A

Answers

Answered by TheLostMonk

2

Answer:

60°

Step-by-step explanation:

2sin^2A = 3(1-cosA)

2( 1 - cos^2A) = 3(1-cosA)

2(1- cosA)(1+cosA) = 3(1-cosA)

1 + cosA = 3/2 => cosA = 1/2

cosA = cos 60° => A = 60°

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