How can I solve this problem:

Using the fact that ?

Thank you!

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- Apr 30th 2010, 01:18 AMadam63Trigonometric Integrals
How can I solve this problem:

Using the fact that ?

Thank you! - Apr 30th 2010, 01:22 AMProve It
http://www.wolframalpha.com/input/?i...Cos[x]%29]

Click Show Steps - Apr 30th 2010, 01:50 AMadam63
Well, thank you, but I already know this site and checked for the integral there - the solution did not involve what I need - I have to use that trigonometric equation somehow.

- Apr 30th 2010, 02:31 AMUnbeatable0

I suppose you can continue from here - Apr 30th 2010, 03:46 AMadam63