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A Nice Integral (4)

Calculus Level 3

Evaluate \[\large \int_{0}^{\pi/2} \frac{\sqrt{\sin x}}{\sqrt{\sin x}+\sqrt{\cos x}} \, dx\]

\[2\pi\] \[\frac{\pi}{4}\] \[\pi\] \[\frac{\pi}{2}\]

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by Hana Wehbi

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