Flag Integral Calculus> ∫ -a a e ax cosnxdx...
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-aaeaxcosnxdx

sashikant , 10 Years ago
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anser 1 Answers
Shobhit Varshney

Last Activity: 10 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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