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Pentasection of an Angle with Ruler and Compass
Author:
うしブログ
GeoGebra
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円の伸開線
standingwave
sine-wave
カージオイド
フーリエ級数展開
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加法定理の図的証明（trigonometric addition theorem）
round function
算法天生法指南二之巻(66)解答
shadow
フェルマーの小定理 表計算
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Triangles
Random Experiments
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Symmetry
Addition