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cosine formula
Author:
Lam Ho Yeung
GeoGebra
New Resources
國旗 (作圖步驟直接餵給 Claude)
近似值：有效數字
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
美國國旗 (Claude 版)
Discover Resources
六年級
自我練習
線型函數與圖形
線性變換矩陣（二階）的副本
算柱 (兩位數)
Discover Topics
Linear Functions
Parallelogram
Functions
Pythagoras or Pythagorean Theorem
Arithmetic