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三角函数
Author:
jason ni
Topic:
Trigonometric Functions
,
Trigonometry
GeoGebra
New Resources
四邉形 (四年級) 教師版
畫出對稱圖形
直角坐標平面上的旋轉變換
三位數除以一位數（一）
拼砌四邊形
Discover Resources
Euler Line 1
選修數學
這是什麼角？的副本
圓周 (圖形C) 的複本
正方体展开图的副本
Discover Topics
Solids or 3D Shapes
Ratios
Straight Lines
Sine
Circumcircle or Circumscribed Circle