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三角函数：单位圆与函数图象
Author:
acchu
GeoGebra
New Resources
画直线等分三角形的面积
兩組對邊相等的四邊形
錐體建築師
拼砌四邊形
【案例】圆柱体内放置一个大球六个小球
Discover Resources
二次函數平移
分數與小數
Midpoint Theorem and Intercept Theorem
碎形
比較五件物件的重量
Discover Topics
Reflection
Diagrams
Angles
Special Points
Complex Numbers