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三角學-正弦公式
Author:
+x sir
Topic:
Triangles
,
Trigonometry
GeoGebra
New Resources
椭圆内切圆链
正方形雪花图案
GeoGebra数学资源(4-8年级)
中华人民共和国国旗
斐波那契螺旋弧线(表格法)
Discover Resources
高中二年級平面向量
旁心三角形的九點圓
Centroid
Golden Ratio (phi) Collection
单晨正方形在正六边形内部滚动的课件
Discover Topics
Tangent Function
Kite
Equilateral Triangles
Statistics
Sine