Results 1 to 2 of 2

Math Help - Limit Rp problem

  1. #1
    Member
    Joined
    Dec 2009
    Posts
    80

    Limit Rp problem

    \alpha , a, b real numbers

    lim_{n \to \infty} \frac{acos^2n\alpha + bsin^2n\alpha}{n} = ?

    What is the limit and you must to prove.

    somebody help ...
    Last edited by gilyos; February 1st 2010 at 07:57 AM.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    Jester's Avatar
    Joined
    Dec 2008
    From
    Conway AR
    Posts
    2,361
    Thanks
    39
    Quote Originally Posted by gilyos View Post
    \alpha , a, b real numbers

    lim_{n \to \infty} \frac{acos^2n\alpha + bsin^2n\alpha}{n} = ?

    What is the limit and you must to prove.

    somebody help ...
    Try using the fact that 0 \le \sin^2x \le 1 and 0 \le \cos^2x \le 1.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 6
    Last Post: August 13th 2010, 01:03 AM
  2. Replies: 1
    Last Post: August 8th 2010, 11:29 AM
  3. Limit, Limit Superior, and Limit Inferior of a function
    Posted in the Differential Geometry Forum
    Replies: 2
    Last Post: September 3rd 2009, 05:05 PM
  4. another limit problem
    Posted in the Calculus Forum
    Replies: 2
    Last Post: August 31st 2009, 10:50 PM
  5. limit problem
    Posted in the Pre-Calculus Forum
    Replies: 5
    Last Post: September 13th 2008, 08:27 PM

Search Tags


/mathhelpforum @mathhelpforum