Results 1 to 2 of 2

Math Help - right-angled

  1. #1
    Member
    Joined
    Nov 2006
    Posts
    152

    right-angled

    right-angled
    A triangle has two acute angles, A and B. Show that the triangle is right-angled if, and only if,
    (sinA)^2 + (sinB )^2=sin(A + B).
    Follow Math Help Forum on Facebook and Google+

  2. #2
    is up to his old tricks again! Jhevon's Avatar
    Joined
    Feb 2007
    From
    New York, USA
    Posts
    11,663
    Thanks
    3
    Quote Originally Posted by perash View Post
    right-angled
    A triangle has two acute angles, A and B. Show that the triangle is right-angled if, and only if,
    (sinA)^2 + (sinB )^2=sin(A + B).
    This may help
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Right-Angled Triangles...
    Posted in the Trigonometry Forum
    Replies: 3
    Last Post: May 3rd 2010, 06:31 AM
  2. right angled triangle
    Posted in the Geometry Forum
    Replies: 2
    Last Post: October 16th 2009, 07:56 AM
  3. Right-Angled Trigonometry
    Posted in the Trigonometry Forum
    Replies: 6
    Last Post: May 3rd 2009, 02:59 PM
  4. Non-right angled trig.
    Posted in the Trigonometry Forum
    Replies: 2
    Last Post: December 9th 2008, 04:03 AM
  5. Right angled triangle help
    Posted in the Trigonometry Forum
    Replies: 1
    Last Post: January 10th 2007, 04:53 AM

Search Tags


/mathhelpforum @mathhelpforum