indefinite-integration

Question: $\int_{{}}^{{}}{\sqrt{1+\cos x}\ dx}$ equals

1) $2\sqrt{2}\sin \frac{x}{2}+c$

2) $-2\sqrt{2}\sin \frac{x}{2}+c$

3) $-2\sqrt{2}\cos \frac{x}{2}+c$

4) $2\sqrt{2}\cos \frac{x}{2}+c$

Solution:

Explanation: No Explanation

Fundamental integration

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