Mark against the correct answer in each of the following:

Question:

Mark $(\sqrt{ })$ against the correct answer in each of the following:

$\int \operatorname{cosec} x(\operatorname{cosec} x+\cot x) d x=?$

A. $\cot x-\operatorname{cosec} x+C$

B. $-\cot x+\operatorname{cosec} x+C$

C. $\cot x+\operatorname{cosec} x+C$

D. $-\cot x-\operatorname{cosec} x+C$

Solution:

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