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三角関数の不等式
Author:
K.KAMETA
GeoGebra
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standingwave-reflection
小テスト
standingwave
アステロイド
二次曲線と離心率
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楕円=円+円
parabola
cosθ>1/2(0°<θ<90°)の視覚的理解
Brahmaguptaの定理
正弦定理 のコピー
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Straight Lines
Mathematics
Geometric Distribution
Conditional Probability
Centroid or Barycenter