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楕円の方程式

Author:嶋津恒彦

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正１７角形　作図　regular 17-gon 2
二次曲線と離心率
standingwave
接点の作る円は内接円
目で見る立方体の2等分

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接線の長さ
F3 相似の中心
単位円と正弦弧の関係
sin cos tan & Ferris wheel
逆が一部成り立たない軌跡

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Functions
Congruence
Cuboid
Random Variables
Mathematics

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