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Evaluate the expression under the given conditions.

sin2(theta), sin(theta)=1/7(theta) in Q2

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sin 2θ = 2sinθ cosθ

sinθ = 1/7
cosθ = -√48/7 = -4√3/7

sin2θ = 2 * 1/7 * (-4√3/7) = -8√3/49

where a i

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