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OpenStudy (anonymous):
I need to find the Integral of 2(sin(2x)/sin(x)) dx Well actually I've already got the answer, but I would like to know how to get to it. The answer is 4sin(X)
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OpenStudy (jamesj):
Remember that sin(2x) = 2 sin x . cos x
OpenStudy (anonymous):
2(2 sin x cos x)/sin x dx 4 cos x dx 4 sin x + c is the answer.
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