Asked by mathstudent
Integrate: (sin 2x)^3 dx
I can see the answer, but how do I do this?
I can see the answer, but how do I do this?
Answers
Answered by
Count Iblis
(sin 2x)^3dx =
(sin 2x)^2 (sin 2x)dx =
-1/2(1-(cos 2x)^2)dcos(2x)
(sin 2x)^2 (sin 2x)dx =
-1/2(1-(cos 2x)^2)dcos(2x)
Answered by
mathstudent
Thanks!
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