Hey all--(adsbygoogle = window.adsbygoogle || []).push({});

I had an Integration of Parts quiz today and got stuck on a few problems-- was wondering if you could explain the steps involved in solving these integrals:

int( (sin(3x))^3 * (cos(3x))^3 dx)

and

int( (tan(4x))^4) dx)

thanks!!

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# Calculus help

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