MCQ
$\int \frac{\cos 2 x d x}{(\sin x+\cos x)^2}$
- A$-\frac{1}{\sin x+\cos x}+C$
- ✓$\log |\sin x+\cos x|+C$
- C$\log |\sin x-\cos x|+C$
- D$\frac{1}{(\sin x+\cos x)^2}$
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