Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

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


    User Avatar
    Science Advisor
    Homework Helper

    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:
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook