The question is "starting from v(t) = Vm cos(wt+theta), show analytically that the RMS value of v(t) is v(t)=Vm/sqrt(2) for any w or theta."(adsbygoogle = window.adsbygoogle || []).push({});

I'm not really sure how to begin this. Do I start by taking the integral?

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# RMS value of voltage

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