MCQ
$\int \frac{ dx }{(\sin x+\cos x)(2 \cos x+\sin x)}=?$
- A$\log \left|\frac{\tan x+2}{\tan x+1}\right|+c$
- ✓$\log \left|\frac{\tan x+1}{\tan x+2}\right|+ c$
- C$\log |\sin x+\cos x|+ c$
- D$\log \left|\frac{\sin x+\cos x}{2 \cos x-\sin x}\right|+ c$