Brocard points (English)
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Definition (undergraduate level)
For a given triangle ABC there are two points X, Y with the property that BAX=CBX=ACX=ABY=BCY=CAY=w. X and Y are called the Brocard points of the triangle.
The angle w is unique for a given triangle, and has the property that cot(w)=cot(A)+cot(B)+cot(C).
The angle w is unique for a given triangle, and has the property that cot(w)=cot(A)+cot(B)+cot(C).
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