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接弦定理

Author:: Kei Fujimoto

GeoGebra Applet

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弧度法
射影を使って楕円にする
橢圓3-平行四邊形法
橢圓2-四圓心近似法
Impact_Parameter

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figure_HS_215
放物線とｘ軸の共有点の位置
derivative and integrals of the absolute function
内心→垂心→外心
三角形の重心

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Orthocenter
Parametric Curves
Equilateral Triangles
Cosine
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