Can someone please help me integrate 1 - (cos x)^2 ?
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Originally Posted by turtle Can someone please help me integrate 1 - (cos x)^2 ?
Thanks! You can write,
By difference of two squares.
Now, use integration by parts.
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,
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