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三角関数（正弦、余弦）
Author:
濱崎正明
Topic:
Trigonometric Functions
GeoGebra
New Resources
等積変形2
standingwave-reflection-free
sine-wave
standingwave
サイクロイド
Discover Resources
五角形の内角の和
出雲大社の柱
リサージュ曲線
tetranball
スコットラッセル機構
Discover Topics
Quadratic Equations
Interest Calculation
Circle
Natural Numbers
Differential Calculus