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April 19, 2015

Posted by **Beth** on Friday, December 2, 2011 at 9:23pm.

The answers suppose to be 0.86 but i always get -1.83

- Calculus -
**MathMate**, Friday, December 2, 2011 at 9:52pmIf

f(x)=cos(x)*e^(sin(x))

then

f'(x) = -1.82747...

To find the problem you have, I suggest you verify if f(x) is as defined above, and what did you get for f'(x)?

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