Can someone please help me integrate 1 - (cos x)^2 ?

Thanks!

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- February 5th 2007, 04:29 PMturtleintegration
Can someone please help me integrate 1 - (cos x)^2 ?

Thanks! - February 5th 2007, 04:33 PMThePerfectHacker
- February 5th 2007, 05:47 PMAlvinCY
There's nothing wrong with what TPH is doing :-),

I personally hate integration by parts. It's long and dreaful, personally:

, using double angle formula for cos2x,

Tada!