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Reference Angle 參考角
Author:
Alex CHIK
Topic:
Trigonometry
GeoGebra
gMath 互動數學教室
http://www.geogebra.hk
New Resources
【案例】2013年安徽高考15题
球体的体积推导
【案例】2018年全国1卷理科12题
兩位數除以一位數（一）
【案例】圆柱体内放置一个大球六个小球
Discover Resources
How to derive the value of Pi
表示數線上的位置
大園寶
Origami-Trisect An Angle
面積 題目1
Discover Topics
Random Experiments
Hypergeometric Distribution
Probability
Parabola
Pythagoras or Pythagorean Theorem