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

Find the integral from 0 to pi/2 of sin(x)dx/(cos(x)+sin(x)).

3. The attempt at a solution

You can easily make it into the integral of tan(x)dx/(1+tan(x)), but the substitution u=tanx can't work because tan(pi/2) is undefined. Any ideas for a good substitution?

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# Homework Help: Trig integral

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