A.  2+2cos 2θ-2cos 4θ-cos 6θ

B.  2-2cos 2θ-2cos 4θ-cos 6θ

C.  2+2cos 2θ+2cos 4θ-cos 6θ

D.  2+2cos 2θ+2cos 4θ+cos 6θ

1
Correct Answer :
2+2cos 2θ-2cos 4θ-cos 6θ
Explanation :
No Explanation available for this question

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