Results 1 to 4 of 4

Thread: Pyhagorean Theorem

  1. #1
    Newbie
    Joined
    Jan 2011
    Posts
    13
    Thanks
    1

    Pyhagorean Theorem

    I am getting the wrong answer in this problem
    I must find sin, tan, sec, cos, cot, csc
    The triangle - 2 on the adjacent and SQRT(3) is on the opposite and i must find the hypotenuse first
    Using the theorem A^2+B^2=C^2 i get
    (SQRT(3))^2+2^2=C^2
    for 3+4=7
    But the book says it is SQRT(21)

    any suggestions

    Thank you
    Last edited by Kromletch; Jan 31st 2011 at 08:11 PM.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    Prove It's Avatar
    Joined
    Aug 2008
    Posts
    12,673
    Thanks
    1865
    Are you sure it's not the hypotenuse that has a length of 2?
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Newbie
    Joined
    Jan 2011
    Posts
    13
    Thanks
    1
    I am sure
    Follow Math Help Forum on Facebook and Google+

  4. #4
    MHF Contributor
    skeeter's Avatar
    Joined
    Jun 2008
    From
    North Texas
    Posts
    14,796
    Thanks
    3013
    Quote Originally Posted by Kromletch View Post
    I am getting the wrong answer in this problem
    I must find sin, tan, sec, cos, cot, csc
    The triangle - 2 on the adjacent and SQRT(3) is on the opposite and i must find the hypotenuse first
    Using the theorem A^2+B^2=C^2 i get
    (SQRT(3))^2+2^2=C^2
    for 3+4=7
    But the book says it is SQRT(21) ... if your side length info is correct, then the book answer is incorrect. It happens.
    ...
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 4
    Last Post: Jan 10th 2011, 08:51 AM
  2. Replies: 3
    Last Post: May 14th 2010, 10:04 PM
  3. Replies: 2
    Last Post: Apr 3rd 2010, 04:41 PM
  4. Replies: 0
    Last Post: Nov 13th 2009, 05:41 AM
  5. Replies: 2
    Last Post: Jun 14th 2007, 06:35 AM

Search Tags


/mathhelpforum @mathhelpforum