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余弦定理Cosine theorem
Author:
Bunryu Kamimura
余弦定理(ピタゴラスの定理の拡張)KN=2EG=2AEcosE
GeoGebra
New Resources
直線の軌跡
目で見る立方体の2等分
等積変形2
standingwave
二次曲線と離心率
Discover Resources
3次曲線の分類(三次関数)
ビリヤード
円2
コイルを貫く磁力線の数
2次関数のグラフ(軸が動く、上に凸)
Discover Topics
Division
Incircle or Inscribed Circle
Histogram
Exponential Functions
Cosine