Proving Question
Submitted by alpha on Fri, 09/12/2008 - 05:09.
In a triangle ABC,angle A=60degree.Prove that BC^2=AB^2+AC^2-AB.AC
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Proving Question
Submitted by alpha on Fri, 09/12/2008 - 05:09.
In a triangle ABC,angle A=60degree.Prove that BC^2=AB^2+AC^2-AB.AC |