(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

[tex]\int\sqrt{1+cos^2x}dx[/tex]

3. The attempt at a solution

This problem is part of a bigger picture, and I can't seem to figure out how to approach this integral.

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# Homework Help: How to approach this integral

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