Mark against the correct answer in each of the following:

Question:

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

$\int \frac{(1+\sin x)}{(1-\sin x)} d x=?$

A. $2 \tan x+x-2 \sec x+C$

B. $2 \tan \mathrm{x}-\mathrm{x}+2 \sec \mathrm{x}+\mathrm{C}$

C. $2 \tan x-x-2 \sec x+C$

D. none of these

Solution:

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