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正弦波のグラフ・波の式
Author:
K.Wajima
GeoGebra
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直線の軌跡
等積変形2
フーリエ級数展開
６章⑥三角柱の展開図
standingwave-reflection-free
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x=cos3t,y=sin4t
（使用）中三円周角と中心角p160
Ｂの極線は？
点Pの存在範囲(ベクトル)
三角関数のグラフ
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Geometric Transformations
Rotation
Surface
Numbers
Solids or 3D Shapes