Evaluate: 1- 2 x d x - Vidyadip

Question

Evaluate:

$\int \sqrt{1-\cos 2 x} \cdot d x$

✓

Answer

$\begin{array}{c}\int \sqrt{1-\cos 2 x} d x \\ =\int \sqrt{2 \sin ^2 x} d x=\sqrt{2} \int \sin x d x\end{array}$

$=-\sqrt{2} \cos x+c$

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