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Homework Help: Antiderivative of (e^sin(t)) *(cos(t))?

  1. Feb 5, 2015 #1
    • Member warned about not using the homework template
    1. The problem statement, all variables and given/known data

    The antiderivative of (e^sin(t)) *(cos(t)) is e^(sin(t)) + C? Why is this? What happened to the cos(t)? Is there the chain rule or something applied? I don't know! It just looked like it disappeared.
  2. jcsd
  3. Feb 5, 2015 #2
    OH, never mind. Sorry. Solved it. Was really tired. How do you delete a post?
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