I am supposed to use trig substitution here. I used a tangent sub but then everything seems to cancel itself out. Which sub would I need to use here?

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- April 5th 2009, 09:38 AMur5pointos2sloTrig substitution

I am supposed to use trig substitution here. I used a tangent sub but then everything seems to cancel itself out. Which sub would I need to use here? - April 5th 2009, 09:45 AMgalactus
You're correct, use

Yes, the does cancel. Which makes it easy.

But, from our sub,

So, we get:

- April 5th 2009, 09:45 AMJhevon
- April 5th 2009, 09:47 AMskeeter
- April 5th 2009, 09:47 AMur5pointos2slo
- April 5th 2009, 09:49 AMur5pointos2slo
- April 5th 2009, 09:51 AMJhevon
- April 5th 2009, 09:58 AMur5pointos2slo