MCQ
$\int_{}^{} {\sqrt {1 + \sin x} \;dx = } $
- A$\frac{1}{2}\left( {\sin \frac{x}{2} + \cos \frac{x}{2}} \right) + c$
- B$\frac{1}{2}\left( {\sin \frac{x}{2} - \cos \frac{x}{2}} \right) + c$
- C$2\sqrt {1 + \sin x} + c$
- ✓$ - 2\sqrt {1 - \sin x} + c$
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