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Introduction to Trigonometry from a Unit Circle
Author:
Lam Yat Chun
GeoGebra
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圓的切線方程
第三周作业效果演示
第八周作业3
撒针估算面积实验
圓的基本性質
Discover Resources
人造「四腳獸」？
讀磅 (練習)
gjh-g03-01 和的平方公式
Angle between line and plane
教學成果
Discover Topics
Polynomial Functions
Fractions
Geometric Mean
Planes
Geometry