1- x 1+ x d x= __________ + C . - Vidyadip

MCQ

$\int \frac{1-\cos x}{1+\cos x} d x=$ __________ + C .

✓
$2 \tan \frac{x}{2}-x$
B
$2 \tan \frac{x}{2}+x$
C
$-2 \tan \frac{x}{2}-x$
D
$-\tan \frac{x}{2}-x$

✓

Answer

Correct option: A.

$2 \tan \frac{x}{2}-x$

A

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