MCQ
$\frac{d}{d x}\left[\frac{1}{2} \tan ^2 x\right]=$
- ✓$\tan x \sec ^2 x$
- B$-\tan x \sec ^2 x$
- C$\frac{1}{2} \tan x \sec ^2 x$
- D$-\frac{1}{2} \tan x \sec ^2 x$
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