I'm having trouble on one specific step of this integral:

Original Equation:

where

=

Now I don't understand how to get to the next step of:

because I get here and I know it's not right:

Thanks for the help in advance.

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- March 7th 2010, 01:04 AMcynlixTrigonometric Substitution Integral
I'm having trouble on one specific step of this integral:

Original Equation:

where

=

Now I don't understand how to get to the next step of:

because I get here and I know it's not right:

Thanks for the help in advance. - March 7th 2010, 01:18 AMProve It
- March 7th 2010, 01:27 AMcynlix
thank you for that insight, however I need to use the trigonometric substitution for this homework problem.

- March 7th 2010, 02:22 AMProve It