1966 IMO Problems/Problem 2
Revision as of 06:45, 5 July 2011 by GausssWill (talk | contribs) (Created the page "1996 IMO Problems/Problem 2)
Let , , and be the lengths of the sides of a triangle, and \[ a+b=\tan{\frac{\gamma}{2}}(a\tan{\alpha}+b\tan{\beta respectively, the angles opposite these sides.
Prove that if the triangle is isosceles.