Calculus
posted by Beth .
If f(x) = (cos x)(esin x ), then, correct to the nearest hundredth, f '(2.0) =
The answers suppose to be 0.86 but i always get 1.83

Calculus 
MathMate
If
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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