Need some help.. Where do I begin? I imagine I need some identities and substitution, but I'm not sure.
Last edited by cinder; Jun 26th 2007 at 06:25 PM.
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Originally Posted by cinder Need some help.. Substitution. Let . Then . So your integral becomes: Can you do the integral now? -Dan
Originally Posted by topsquark Substitution. Let . Then . So your integral becomes: Can you do the integral now? -Dan Okay, I see now. Let me try to integrate it.
Is it ?
Originally Posted by cinder Is it ? Yup! -Dan
Originally Posted by topsquark Yup! -Dan Whoops... I'd throw in place of though, right?
Originally Posted by cinder Whoops... I'd throw in place of though, right? Yup! Yup! Actually, if you know the quadrant x is in you can simplify the expression somewhat. But if it's an indefinite integral then you'll have to leave it like that. -Dan
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