Results 1 to 2 of 2

Math Help - Trig Limits

  1. #1
    Newbie
    Joined
    Aug 2009
    Posts
    19

    Trig Limits

    i'm having trouble with this limit. Can you guys help?

    \lim_{x\to 0} \frac{x(1-\cos(x))}{\sin^2 x}

    Also, i cant use L'Hopital's rule
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    Joined
    Mar 2007
    Posts
    1,240

    Talking

    sin^2(x) = 1 - cos^2(x) = [1 - cos(x)][1 + cos(x)]

    Then cancel....

    Does that help?
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. trig limits
    Posted in the Calculus Forum
    Replies: 3
    Last Post: June 18th 2011, 01:23 PM
  2. trig limits
    Posted in the Calculus Forum
    Replies: 3
    Last Post: April 17th 2011, 12:36 PM
  3. Help with Trig Limits
    Posted in the Pre-Calculus Forum
    Replies: 1
    Last Post: October 4th 2009, 10:13 AM
  4. Limits of trig
    Posted in the Calculus Forum
    Replies: 6
    Last Post: October 7th 2008, 08:23 AM
  5. Trig Limits
    Posted in the Calculus Forum
    Replies: 2
    Last Post: March 18th 2008, 08:06 AM

Search Tags


/mathhelpforum @mathhelpforum