Recent content by Jonny3688

  1. J

    How Do You Integrate 4cos(n pi t)?

    would u = 4 therefore du=0
  2. J

    How Do You Integrate 4cos(n pi t)?

    . What should you let u be? What is du? Thanks for your quick reply, but you have lost me
  3. J

    How Do You Integrate 4cos(n pi t)?

    Homework Statement integrate: 4*cos(n pi t) d(t) Homework Equations The Attempt at a Solution is it: [4sin(n pi t)]/n.pi or [4t sin (n pi t)]/n.pi any help very much welcome.
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