Results 1 to 2 of 2

Math Help - Trig functions (angles of a triangle)

  1. #1
    Junior Member
    Joined
    Apr 2010
    Posts
    60

    Trig functions (angles of a triangle)

    Find the angles of a triangle whose sides are in the ratio 2:3:4.
    this question corresponds to sin and cosine rule in the book.
    please guide me through this question.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Senior Member
    Joined
    Oct 2009
    From
    Brisbane
    Posts
    311
    Thanks
    2
    Quote Originally Posted by kandyfloss View Post
    Find the angles of a triangle whose sides are in the ratio 2:3:4.
    this question corresponds to sin and cosine rule in the book.
    please guide me through this question.
    Draw a triangle. Label it ABC. Use the cosine rule to find one of the angles. And again. The third angle is simply 180 degrees minus the sum of your first two angles.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Reference Triangle for Inverse Trig Functions
    Posted in the Calculus Forum
    Replies: 1
    Last Post: April 7th 2010, 06:01 PM
  2. Question on Trig Functions and Angles
    Posted in the Trigonometry Forum
    Replies: 3
    Last Post: April 29th 2008, 02:57 PM
  3. [SOLVED] [SOLVED] Double Angles-Advanced Functions Trig
    Posted in the Trigonometry Forum
    Replies: 1
    Last Post: November 28th 2007, 05:15 PM
  4. Using inverse trig functions to find angles
    Posted in the Trigonometry Forum
    Replies: 1
    Last Post: November 3rd 2007, 08:27 PM
  5. Trig Functions (Angles subtended?)
    Posted in the Trigonometry Forum
    Replies: 2
    Last Post: May 30th 2007, 02:29 PM

Search Tags


/mathhelpforum @mathhelpforum