- #1

jnimagine

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## Homework Statement

find coefficient of x^4 in the MAclaurin series for f(x)=e^sinx

## Homework Equations

ok... so taking derivatives 4 times for this function...gave me a mess! @.@

can someone help me in simplying the derivatives...?

1. cosxe^sinx

then for 2. is it -sinxe^sinx-sinxcosxe^sinx...?

= . = I'm getting lost with these derivatives...

same for e^3xcos2x... gets sooo complicated...

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