MCQ
$\int \frac{1-\tan x}{1+\tan x} d x=\ldots \ldots \ldots$
- A$\log \sec \left(\frac{\pi}{4}-x\right)+c$
- B$\log \cos \left(\frac{\pi}{4}+x\right)+c$
- ✓$\log \sin \left(\frac{\pi}{4}+x\right)+c$
- Dએક પણ નહીં
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.