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Q)

If cosθ+2cosα+3cosβ=sinθ+2sinα+3sinβ=0, then sin3θ+8sin3α+27sin3β=?

(A) 9sin(θ+α+β) (B) 18sin(θ+α+β) (C) 18cos(θ+α+β) (D) 9cos(θ+α+β)
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