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I haven't done calculus in a long time now and i've been reviewing some old calc books but couldnt' find anything that helps. Was wondering how to integrate this function:

e^(-t/2)cos(n2t)dt

I was thinking of using the u substitution technique but can't find a substitute for u. Any help would be fantastic.

Thanks.

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# Q: Integration of e^(-t/2)cos(n2t)dt

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