# indefinite Integral

#### jacks

##### Well-known member
$\displaystyle \int \frac{1}{\sqrt{\sin 2x}}dx$

#### CaptainBlack

##### Well-known member
$\displaystyle \int \frac{1}{\sqrt{\sin 2x}}dx$
How are you expecting this to be expressed? It is not elementary, but is an elliptic integral of the first kind.

CB

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