1.

The value of sin (2 sin–1 (.6)) is(A) .48 (B) .96 (C) 1.2 (D) sin 1.2

Answer»

(B) is the correct answer. Let sin–1 (.6) = θ, i.e., sin θ = .6

Now sin (2θ) = 2 sinθ cosθ = 2 (.6) (.8) = .96.



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