I'm starting out with the following: Rearranging terms, I get: Someone remind me how to integrate that left side? I know I could turn it all into tan(theta), but then what would I do with dy?
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Use trig substitution. Let Then and we have Open if you're still stuck: Spoiler:
Last edited by Reckoner; July 1st 2012 at 07:47 PM.
Originally Posted by Reckoner Use trig substitution. Let Then and we have Open if you're still stuck: Spoiler: Isn't step 4 under the spoiler supposed to be ? EDIT: NM, I guess I forgot that .
Last edited by phys251; July 1st 2012 at 07:33 PM.
Originally Posted by phys251 NM, I guess I forgot that . Yes, their equivalence follows from the identity Those particular 's were supposed to be 's, however (that was before I back-substituted), so that was still sloppy on my part. I'll change that now.
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