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$$\int e^{2\theta}\sin(3\theta)\ d\theta$$ I don't know where to stop when it comes to questions such as this? Can you make me aware? I believe there was a possible prior person who answered the same question but they failed to indicate what the

I was and in the larger scheme of things why there was no need to further integrate or utilize another method to integrate. enter image description here

Harish Chandra Rajpoot
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Cetshwayo
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  • If you wish to ask for clarification of an answer on the other post, you can comment there. You can also see here, here, or here. – Cameron Buie Dec 20 '15 at 16:23
  • This is a standard example of integrating by parts and getting back to the function you started with. You get $$\int = A - B\int$$ where it's the same integral both times. So you rearrange it as $$\int+B\int = A$$ then as $$(1+B)\int = A$$ and finally as $$\int = \frac A {1+B}.$$ – Michael Hardy Dec 20 '15 at 16:25

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