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Homework Help: Calc help!

  1. Apr 25, 2010 #1
    how can i find a power series for this integral? [tex]\int cos(x^3)[/tex]
     
  2. jcsd
  3. Apr 25, 2010 #2

    tiny-tim

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    Hi sportlover36! :smile:

    (have an integral: ∫ and a sigma: ∑ and try using the X2 tag just above the Reply box :wink:)

    Just write out the series for cosx, and then write x3 everywhere instead of x. :smile:
     
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