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第16题
Author:
李斯林
Topic:
Trigonometric Functions
GeoGebra
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找出對稱軸
拼砌四邊形
算柱 (兩位數)
畫出對稱圖形
直角坐標平面上的旋轉變換
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sin, cos, tan 圖像
三角五形
圆锥侧面展开
滾出直線之2的副本
根據百分率找數量（一）: 例2的副本
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Mode
Cylinder
Upper and Lower Sum or Riemann Sum
Optimization Problems
Special Points