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with u:v:w = cosA/2:cosB/2:cosC/2 |
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X(1), X(173), X(174), X(177), X(236), X(7707) vertices of the Yff central triangle vertices of the cevian triangle of X(174) |
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K748 is the locus of P whose anticevian triangle is perspective with the Tangential mid-arc triangle. See TCCT 6.15. K748 is the pivotal cubic pK(X174 x X7707, X174). It is the barycentric product of K747 by X(188). |
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