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三角函數
Author:
Tina Lin
Topic:
Trigonometric Functions
GeoGebra
New Resources
平行線的判定
正方形雪花图案
直線的斜率：水平變化 & 鉛垂變化
异形操场
盈利與虧蝕
Discover Resources
Light Game
test for 2nd view
HKMO 2013 Question 3 Demonstration (Geometric Construction)
horizontal
Copy of 指數函數與對數函數圖形圖形(同底)
Discover Topics
Boxplot
Complex Numbers
Exponent
Vectors 3D (Three-Dimensional)
Statistical Characteristics