hello I really stucked at this one
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Let Substitute Hence, So, A quick integration by parts will finish it ..
Last edited by General; May 14th 2010 at 05:59 AM.
Wait. how did you know substituting cosx for x will solve the problem?
By my mind.
Originally Posted by lilaziz1 Wait. how did you know substituting cosx for x will solve the problem? He's just very, very good at this!
Originally Posted by Miss now in your integral substitute so it becomes which is equal to and problem solved.
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