Results 1 to 4 of 4

Math Help - circular functions help.

  1. #1
    Banned
    Joined
    Jul 2008
    Posts
    29

    circular functions help.

    determine the value of the following if 0 is less than or = to theta and theta is less than 2 pie.

    1) sin theta = -1 = this is my answer im not sure if it's right though= 3 pie/2




    2) sec theta= -2root3/3=
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor kalagota's Avatar
    Joined
    Oct 2007
    From
    Taguig City, Philippines
    Posts
    1,026
    Quote Originally Posted by Dave19 View Post
    determine the value of the following if 0 is less than or = to theta and theta is less than 2 pie.

    1) sin theta = -1 = this is my answer im not sure if it's right though= 3 pie/2
    yes correct..


    Quote Originally Posted by Dave19 View Post
    2) sec theta= -2root3/3=
    note: \sec \theta = \frac{1}{\cos \theta} this means that \cos \theta = \frac{-3}{2\sqrt{3}} = \frac{-\sqrt{3}}{2}
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Banned
    Joined
    Jul 2008
    Posts
    29
    is it just 7 pie/6 or is it 5pie/6 and 7pie/6
    Last edited by Dave19; July 6th 2008 at 07:56 AM.
    Follow Math Help Forum on Facebook and Google+

  4. #4
    MHF Contributor kalagota's Avatar
    Joined
    Oct 2007
    From
    Taguig City, Philippines
    Posts
    1,026
    Quote Originally Posted by Dave19 View Post
    is it just 7 pie/6 or is it 5pie/6 and 7pie/6
    both since the only restriction is 0 \leq \theta < 2\pi..
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. circular functions
    Posted in the Algebra Forum
    Replies: 2
    Last Post: May 30th 2011, 03:10 AM
  2. circular functions
    Posted in the Trigonometry Forum
    Replies: 8
    Last Post: March 12th 2011, 02:22 PM
  3. Replies: 3
    Last Post: February 23rd 2010, 04:54 PM
  4. circular functions
    Posted in the Trigonometry Forum
    Replies: 1
    Last Post: November 15th 2008, 07:31 AM
  5. Circular Functions
    Posted in the Trigonometry Forum
    Replies: 3
    Last Post: June 5th 2008, 03:33 AM

Search Tags


/mathhelpforum @mathhelpforum