MCQ
$\int \frac{1-\cos 2 x}{1+\cos 2 x} d x$
  • A
    $\tan x+x+k$
  • $\tan x-x+k$
  • C
    $x-\tan ^2 x+k$
  • D
    $\tan \frac{x}{2}+k$

Answer

Correct option: B.
$\tan x-x+k$
B

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