Can anyone please help to find an antiderivative of this function and the method used?

(Please see attatchment)

Cheers,

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- Apr 30th 2010, 01:46 AMchrizzleindefinite integral
Can anyone please help to find an antiderivative of this function and the method used?

(Please see attatchment)

Cheers, - Apr 30th 2010, 01:54 AMProve It
- Apr 30th 2010, 02:04 AMchrizzle
Great, thanks

Just 2 follow up questions:

1. Does sec^2=tan^2 +1 and how do we know this?

2. Is there any way to be sure what to use instead of x in trigometric substitution? - Apr 30th 2010, 02:08 AMProve It
- Apr 30th 2010, 02:10 AMchrizzle
actually please ignore the first question