Let be a triangle. Prove that:

http://latex.codecogs.com/gif.latex?...B}{2}}\geq%209

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- August 3rd 2011, 11:28 AMBUZZInequality trigonometric
Let be a triangle. Prove that:

http://latex.codecogs.com/gif.latex?...B}{2}}\geq%209 - August 3rd 2011, 11:34 AMAlso sprach ZarathustraRe: Inequality trigonometric
- August 3rd 2011, 11:42 AMTheChazRe: Inequality trigonometric