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Q.

 Find the value of θ, if 2sin2θ = √3.

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a

30o

b

60°

c

45°

d

90°

answer is A.

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Detailed Solution

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 Here, 2sin2θ = √3

⇒ sin2θ = 32

⇒ sin 2θ = sin 60°

⇒ 2θ = 60°

⇒  θ = 30°.

Hence, θ = 30°.

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