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Integrating Sin(x^3)

  1. Mar 14, 2012 #1
    1. The problem statement, all variables and given/known data
    I need to intergrate sin(x^3) for a sum and I don't know how to.


    2. Relevant equations
    The sum is (integrate)3x+Sin(x^3)+1


    3. The attempt at a solution
    I've tried substituting u for x^3 but I don't know where to go from there considering du=3x^2.dx, which isn't relevant to my equation in any way.
     
  2. jcsd
  3. Mar 14, 2012 #2

    HallsofIvy

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    You are not going to find any elementary function anti-derivative for this.
     
  4. Mar 14, 2012 #3
    That's what I figured. So what do I do with it?
     
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