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# Evaluate the indefinite integral.$\displaystyle \int \frac{\sin 2x}{1 + \cos^2 x} \, dx$

## $$1+\cos ^{2} x$$

Integrals

Integration

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##### Kristen K.

University of Michigan - Ann Arbor

##### Samuel H.

University of Nottingham

##### Michael J.

Idaho State University

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### Video Transcript

we know that you is one plus co sign squared acts. Which means that D U is negative, too. Co sign Axe sign axed Jax. Which means that we now have the integral of negative D'You over you these air what do you and us which integrates to negative natural order of you plus seed which plugging in us One post co sign squared of exes were back substituting We end up with our solution.