व्यंजक \( \frac{(\cos 2 \theta-i \sin 2 \theta)^{4}(\cos 4 \theta+i \sin 4 \theta)^{-5}}{(\cos 3...
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व्यंजक \( \frac{(\cos 2 \theta-i \sin 2 \theta)^{4}(\cos 4 \theta+i \sin 4 \theta)^{-5}}{(\cos 3 \theta+i \sin 3 \theta)^{-2}(\cos 3 \theta-i \sin 3 \theta)^{-9}} \) का मान
(A) \( \cos 49 \theta+i \sin 49 \theta \)
(B) \( \cos 49 \theta-i \sin 49 \theta \)
(C) \( -\cos 49 \theta+i \sin 49 \theta \)
(D) उपरोक्त में से कोई नहीं
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