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How do I evaluate this integral?

  1. Sep 8, 2007 #1
    I don't understand how the book example went from

    integral from -1 to 0 of [e^(x).cos(e^x)]dx

    to sin(e^x)]evaluate at -1 and 0.

    Can someone please explain?
     
  2. jcsd
  3. Sep 8, 2007 #2

    learningphysics

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    Use a substitution of u = e^x.
     
  4. Sep 8, 2007 #3
    Yes! thank you.
     
  5. Sep 8, 2007 #4

    learningphysics

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    no prob.
     
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