X2620¶
CROSSDIFFERENCE OF PU(72)
X2620 (CROSSDIFFERENCE OF PU(72)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
Constructed Elements
Central Lines: {47, 48}, {1, 2616}
Related Centers: X2621 (TRILINEAR POLE OF PU(72)), X47 (-BETH CONJUGATE OF X34), X48 (CROSSPOINT OF X1 AND X63), X1 (INCENTER), X2616 (POINT TANIA)
Trilinears: \(f(A,B,C) : f(B,C,A) : f(C,A,B)\), where \(f(A,B,C) = \tan(A - B) \tan(A - C) + \tan^{2}(B - C)\)
Barycentrics: \((\sin A)f(A,B,C) : (\sin B)f(B,C,A) : (\sin C)f(C,A,B)\)
Search Value (6, 9, 13): \(4.369431204999\)
Functional Relations2 relations
X2620 = isogonal conjugate of X2621
X2620 = perspector of conic {{A, B, C,PU(73)}}