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Author:yoshiyuki ishitsuka

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円の伸開線
sine-wave
standingwave-reflection
小テスト
サイクロイド

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sin x の冪級数展開
Ex_60_2
三角関数の合成
野球のボールは正八面体
算法天生法指南二之巻(67)解答

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Arithmetic Operations
Incircle or Inscribed Circle
Similar Triangles
Secant Line or Secant
Multiplication

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