SOLUTION: differentiate f(x)=e^x cosx

SOLUTION: differentiate f(x)=e^x cosx

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Question 993658: differentiate f(x)=e^x cosx
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Product rule...
f'(x) = (e^x)(-sin x) + (e^x)(cos x)
f'(x) = (e^x)(cos x - sin x)
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