1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
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: Really hard integral

  1. Oct 31, 2004 #1
    Integral of exp(x)*sqrt( 5 - cos(x))
  2. jcsd
  3. Nov 1, 2004 #2


    User Avatar
    Science Advisor
    Homework Helper

    Is that a cosine or a hyperbolic cosine?
  4. Nov 1, 2004 #3
    Maybe you should try:

    [tex] 5-cosx = x^2 [/tex]

    then take "log" on both sides and proceed from there. :tongue:
  5. Nov 1, 2004 #4
    Try integrating by parts.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook