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September 25th, 2011, 06:36 PM   #1
KMT
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Derivative Problem

Finding derivative of y= 2/(e^x+e^-x) and y=e^x(sinx+cosx)
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September 25th, 2011, 06:55 PM   #2
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Re: Derivative Problem

1.)



One could also write:





2.)

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