That's as far as I got ... how can I proceed?

PS; I apologize for the untidiness of the square roots. How do I make the radical appear?

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- March 24th 2010, 07:00 PMArchduke01trigonometry substitution

That's as far as I got ... how can I proceed?

PS; I apologize for the untidiness of the square roots. How do I make the radical appear? - March 24th 2010, 07:06 PMione
- March 24th 2010, 07:22 PMArchduke01
OK, so I finally end up with

I'm confused with making the triangle though. I have my , but using that, all my sides will basically be 1. Is that right? (Wondering) - March 24th 2010, 07:34 PMione
- March 24th 2010, 07:43 PMdrumist
Are you evaluating this over an interval or is it an indefinite integral?

The method you use is a bit tricky if it is not over a small interval (i.e., one where cos x is always positive or negative) because:

P.S. Mouse over the math symbols to see the code used to generate them.

You could also do this problem using