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Let there exist a unique point P inside a △ABC such that ∠PAB=∠PBC=∠PCA=α. If PA=x,PB=y,PC=z,Δ= area of △ABC and a,b,c, are the sides opposite to the angle A,B,C respectively, then tanα is equal to |
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Answer» Let there exist a unique point P inside a △ABC such that ∠PAB=∠PBC=∠PCA=α. If PA=x,PB=y,PC=z,Δ= area of △ABC and a,b,c, are the sides opposite to the angle A,B,C respectively, then tanα is equal to |
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