Mark against the correct answer in each of the following:

Question:

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

$\int \frac{\tan x}{(\sec x+\cos x)} d x=?$

A. $\tan ^{-1}(\cos x)+C$

B. $-\tan ^{-1}(\cos x)+C$

C. $\cot ^{-1}(\cos x)+C$

D. none of these

Solution:

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