Find the derivative

I believe the chain rule and quotient rule are used here. So here's my first step, if someone can confirm I did this correct than I could probably go on from there.

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- October 11th 2009, 07:04 PMVitaXTrig Derivative
Find the derivative

I believe the chain rule and quotient rule are used here. So here's my first step, if someone can confirm I did this correct than I could probably go on from there.

- October 11th 2009, 07:26 PMArturo_026
looks good to me, from there on is pure trig.

- October 11th 2009, 07:34 PMVitaX

Would be final answer right? - October 11th 2009, 07:46 PMArturo_026
http://www2.wolframalpha.com/Calcula...image/gif&s=22

If you want to complicate it - October 11th 2009, 07:52 PMVitaX