Hi, I need some help on this trig integral problem.

Can anyone tell me how to start this? I know I need to use some kind of identity to change the sec to cos or sin? Thank you.

http://img149.imageshack.us/img149/6751/mathxg.th.jpg

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- Nov 8th 2009, 07:30 PMabilitiesztrigonometric integrals
Hi, I need some help on this trig integral problem.

Can anyone tell me how to start this? I know I need to use some kind of identity to change the sec to cos or sin? Thank you.

http://img149.imageshack.us/img149/6751/mathxg.th.jpg - Nov 8th 2009, 08:57 PMWhoCares357
- Nov 8th 2009, 09:32 PMabilitiesz
Yes, I can take it from there. Thank you. :) I figured it out.