\( \int \operatorname{cosec}^{4} x d x= \)
(A) \( \cot x+\frac{\cot ^{3} x}{3}+c \)
(B) \( \tan ...
\( \int \operatorname{cosec}^{4} x d x= \)
(A) \( \cot x+\frac{\cot ^{3} x}{3}+c \)
(B) \( \tan x \frac{\tan ^{3} x}{3}+c \)
(C) \( -\cot x-\frac{\cot ^{3} x}{3}+c \)
(D) \( -\tan x-\frac{\tan ^{3} x}{3}+c \)
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