I want to evaluate the integral of this, but I am having some difficulty simplyfing the expresion to integrate. and I don't know what else to do... Any help is appreciated. Thanks.
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Originally Posted by Krizalid Thanks for your reply. That does work. But, may I ask how did you know that? Certainly there's a way do deduce that expression. Thanks.
Of course, just consider the double angle formula for the cosine, then then i just put
Originally Posted by Krizalid Of course, just consider the double angle formula for the cosine, then then i just put I have never used that trigonometric identity before, but now am aware of it. Thanks for your help. Cheers.
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