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Tangent Sum And Product
Problem
Prove that tan$A$ + tan$B$ + tan$C$ = tan$A$ tan$B$ tan$C$ for any non-right angle triangle.
Problem ID: 115 (Apr 2003) Difficulty: 4 Star
Prove that tan$A$ + tan$B$ + tan$C$ = tan$A$ tan$B$ tan$C$ for any non-right angle triangle.
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