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∫ -a a e ax cosnxdx

-aaeaxcosnxdx

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1 Answers

Shobhit Varshney IIT Roorkee
askIITians Faculty 33 Points
7 years ago
Hi,

one way is to write cosnx = (einx+ e-inx) / 2 and integrate it normally.
Now, it is very easy to integrate.

Thanks...............................................................................................................................................................................................

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