X3559

SS(sin A → cos A) OF X333

< A B C >: Reference Triangle △ABC [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 2, 3 }: Euler Line { 225, 283 }: Central Line L(225, 283) { 318, 333 }: Central Line L(318, 333) { 158, 920 }: Central Line L(158, 920) { 58, 1785 }: Central Line L(58, 1785) { 162, 1780 }: Central Line L(162, 1780) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1896 = ZOSMA TRANSFORM OF X(1047) (0.6154, 0.4781) X_29 = CEVAPOINT OF INCENTER AND ORTHOCENTER (0.5903, 0.3384) X_2 = CENTROID (0.5374, 0.2000) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_225 = -CEVA CONJUGATE OF X(65) (0.6246, 0.4451) X_283 = -CROSS CONJUGATE OF X(21) (0.4475, 0.0704) X_318 = ISOTOMIC CONJUGATE OF X(77) (0.5514, 0.2839) X_333 = CEVAPOINT OF X(8) AND X(9) (0.4886, 0.1475) X_158 = -CROSS CONJUGATE OF X(92) (0.6215, 0.5117) X_920 = -CEVA CONJUGATE OF X(1) (0.8006, 0.5344) X_58 = ISOGONAL CONJUGATE OF X(10) (0.6107, 0.2850) X_1785 = MIMOSA TRANSFORM OF X(1295) (0.7297, 0.8635) X_162 = CEVAPOINT OF X(108) AND X(109) (0.4897, 0.6018) X_1780 = MIMOSA TRANSFORM OF X(1175) (0.7511, 0.4694) X_3559 = SS(sin A → cos A) OF X(333) (0.6583, 0.5164) A B C X1896 X29 X2 X3 X225 X283 X318 X333 X158 X920 X58 X1785 X162 X1780 X3559 (a, b, c) = (5, 6, 7) | AB = 1

X3559 (SS(sin A → cos A) OF X333) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3559 = SS(sin A → cos A) OF X_333."""

        from __future__ import annotations

        from pathlib import Path

        import sympy.geometry as spg
        from geometor.model import Model

        from geometor.etc.ops import (
            central_line,
            centroid_of,
            ceva_conjugate,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03559(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3559 = SS(sin A → cos A) OF X_333 on reference triangle ABC."""
            X_1896 = eval_trilinear_point(model, A, B, C, '(sec(A))/(sec(B) + sec(C))', ID="X_1896", classes=["center"])
            X_29 = eval_trilinear_point(model, A, B, C, '(sec(A))/(cos(B) + cos(C))', ID="X_29", classes=["center"])
            X_3559 = ceva_conjugate(model, A, B, C, X_1896, X_29, ID="X_3559", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            central_line(model, X_2, X_3, 2, 3)
            X_225 = eval_trilinear_point(model, A, B, C, '(sec(A))*(cos(B) + cos(C))', ID="X_225", classes=["center", "incident"])
            X_283 = eval_trilinear_point(model, A, B, C, '(cos(A))/(cos(B) + cos(C))', ID="X_283", classes=["center", "incident"])
            central_line(model, X_225, X_283, 225, 283, incident=True)
            X_318 = eval_trilinear_point(model, A, B, C, '(1 + sec(A))/a**(2)', ID="X_318", classes=["center", "incident"])
            X_333 = eval_trilinear_point(model, A, B, C, 'b*c*(b + c - a)/(b + c)', ID="X_333", classes=["center", "incident"])
            central_line(model, X_318, X_333, 318, 333, incident=True)
            return promote_point_to_top(model, X_3559)


        def build_model(
            sides: tuple[float, float, float] = (5.0, 6.0, 7.0),
            show_guides: bool = False,
        ) -> Model:
            """Build a `geometor.model.Model` for X_3559 on the given reference triangle."""
            model = create_model('X_3559 = SS(sin A → cos A) OF X_333')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03559(model, A, B, C)
            return model


        if __name__ == "__main__":
            here = Path(__file__).resolve().parent
            model_acute = build_model((5.0, 6.0, 7.0))
            model_acute.save(str(here / "x-03559.json"))
            write_center_svg(
                model_acute,
                here / "x-03559.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )