Posted by kate on Wednesday, May 4, 2011 at 8:26pm.
f(x) = e^(sin(x))cos(x)
I=∫f(x)
= ∫e^(sin(x))cos(x)dx
use substitution u=sin(x),
du=cos(x)dx
I=∫e^u du
=e^u +C'
=e^(sin(x))+C
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