10(sin(2x)/sin(x))

I have no idea how to tackle something like this, could someone help me out?

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- Feb 12th 2009, 02:31 PMfattydqFinding this antiderivative
10(sin(2x)/sin(x))

I have no idea how to tackle something like this, could someone help me out? - Feb 12th 2009, 02:44 PMScott H
Remember that $\displaystyle \sin 2x = 2\sin x \cos x$.

- Feb 12th 2009, 03:05 PMfattydq
What? 2sin(x) does not equal 2sin(x)cos(x)

- Feb 12th 2009, 03:07 PMChris L T521
- Feb 12th 2009, 03:21 PMfattydq
Ok wow, am I just supposed to know that? It seems to me like Calc II is just getting out of hand, like there's all these things we're just expected to know already that I've never even heard of, and I got an A+ in calc I.

- Feb 12th 2009, 03:33 PMGaloisTheory1