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sinx + i cos 2x and cos x – i sin 2x are conjugate to each other for:

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sinx + i cos 2x and cos x – i sin 2x are conjugate to each other for:

(A) x = nπ

(B) x = (n + 1/2)(π/2)

(C) x = 0 

(D) No value of x

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Answer is (D)

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