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cos加法定理の内積を用いた証明
Author:
miyamath
GeoGebra
New Resources
直線の軌跡
standingwave-reflection-free
standingwave-reflection-fixed
平均変化率
目で見る立方体の2等分
Discover Resources
Circle Art
animation3(Reuleaux triangle)
円の内部・外部の点と角の大小 のコピー
円錐と展開図(最短距離)
standingwave-reflection-free
Discover Topics
Perimeter
Median Value
Linear Functions
Rectangle
Numbers