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Question on integration

  1. Jan 23, 2005 #1
    I want to ask how to differentiate { sin 3xcos4x dx

    Assume { as the integration simbol .Do I need to use the trigonometri function ?
  2. jcsd
  3. Jan 23, 2005 #2


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    Lemme get it straight
    U want to differentiate wrt "x" the following
    [tex] \int \sin 3x \cos 4x \ dx [/tex]

    What the connection between differentiation and integration...??

  4. Jan 23, 2005 #3


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    "Fundamental Theorem of Calculus"!

    (Why is this in the differential equations section?)
  5. Jul 20, 2009 #4
    multiply and divide by 2
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