Find what i tried to do was change to and to , then simplify. it's like never going to end..... did i make a mistake somewhere? or this approach is wrong?
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This what I might try. Your integral is If you let then Therefore, your integral transforms to . Then integrate by parts.
Originally Posted by Danny This what I might try. Your integral is If you let then Therefore, your integral transforms to . Then integrate by parts. i see. so, change sin2x to 2sin x cos x first before integrating. then, how about the initial approach, will it work eventually?
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