Results 1 to 2 of 2

Math Help - Right Triangle

  1. #1
    Newbie
    Joined
    Jun 2005
    Posts
    18

    Right Triangle

    I need help with the following:

    For some right triangle, sin x = 3/5. find cos x as a fraction

    for some right triangle, tan x = 24/7. Find csc x as fraction


    Thanks
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Site Founder MathGuru's Avatar
    Joined
    Mar 2005
    From
    San Diego
    Posts
    478
    Awards
    1

    trig

    a right traingle with lengths 3 and 5, where 5 is the hypotenuse, must be a 3, 4, 5 or similarly proportioned triangle. so cosx = 4/5

    You could have also solved this by doing \sqrt{5^2-3^2}=4

    remember tan is opposite over adjacent for the second one.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 3
    Last Post: April 23rd 2011, 08:10 AM
  2. Replies: 3
    Last Post: April 30th 2009, 07:41 AM
  3. Replies: 1
    Last Post: October 28th 2008, 07:02 PM
  4. Replies: 7
    Last Post: July 19th 2008, 06:53 AM
  5. Replies: 27
    Last Post: April 27th 2008, 10:36 AM

Search Tags


/mathhelpforum @mathhelpforum