I have an equation i wish to integrate

What is the best way to start a problem like this. Should i substitute or integrate by parts? Any help appreciated!!

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- Oct 24th 2009, 04:42 PMKarl HarderIntegrate inverse of cosh
I have an equation i wish to integrate

What is the best way to start a problem like this. Should i substitute or integrate by parts? Any help appreciated!!

- Oct 24th 2009, 04:53 PMgalactus
Try using its e identity.

- Oct 24th 2009, 05:02 PMKrizalid
but :D

- Oct 24th 2009, 08:06 PMKarl Harder
- Oct 25th 2009, 04:22 AMgalactus
It's just a little algebra.

Now, plug the e back in.