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Ex_2_80_2
Author:
早苗雅史
GeoGebra
New Resources
standingwave-plus
直線の軌跡
サイクロイド
接点の作る円は内接円
フーリエ級数展開
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figure_HS_221
三角関数の合成の導入（正弦波のグラフの近似）
x=cos7t,y=sin8t
Mamikon's theory/垂足曲線
Fold the rectangle.(長方形の折り返し 相似)
Discover Topics
Sine
Variance
Mathematics
Equilateral Triangles
Statistics