Geometry Help me - MaplePrimes

Question:Geometry Help me

Posted: yangtheary 220 Product: Maple

March 04 2012

Let r is radius of circle inscribed and R is radius of circle circumscribing atriangle ABC.

Prove that p[tan(A/2)+tan(A/2)+tan(A/2)]=r+4R where p=(1/2)(a+b+c).

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