Results 1 to 2 of 2

Math Help - Calculus help

  1. #1
    Newbie
    Joined
    Apr 2013
    From
    Illinois
    Posts
    7

    Calculus help

    I need to prove that the integral of k/(sin x*sqrt(sin^2x-k^2) dx= arccos(k/sqrt(1-k^2)*(cot x)) and it says to set u= c*cot x
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    Joined
    Sep 2012
    From
    Australia
    Posts
    3,667
    Thanks
    606

    Re: Calculus help

    Hey sean60630.

    Hint: Try getting the sin^2x term out of the square root sign and then look for a cot(x) term.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 1
    Last Post: December 13th 2011, 09:11 PM
  2. Replies: 2
    Last Post: June 25th 2010, 10:41 PM
  3. Replies: 1
    Last Post: February 11th 2010, 07:09 AM
  4. Calculus III But doesn't require Calculus :)
    Posted in the Calculus Forum
    Replies: 1
    Last Post: June 19th 2009, 04:23 PM
  5. Replies: 1
    Last Post: June 23rd 2008, 09:17 AM

Search Tags


/mathhelpforum @mathhelpforum