\( \int(1-\cos x) \operatorname{cosec}^{2} x d x \) बराबर है (A) \( \tan x+C \) (B) \( \tan \fra...

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\( \int(1-\cos x) \operatorname{cosec}^{2} x d x \) बराबर है
(A) \( \tan x+C \)
(B) \( \tan \frac{x}{2}+C \)
(C) \( \frac{1}{2} \tan \frac{x}{2}+C \)
(D) इनमें से कोई नहीं
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