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Introduce Tangent Ratio
Author:
VCChung
GeoGebra
New Resources
【案例】圆柱体内放置一个大球六个小球
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
四邊形的特性
Discover Resources
正方體的反射對稱3
複變數函數
More about Function
點與圓的關係
銳角三角：sin, cos
Discover Topics
Multiplication
Pie Chart or Circle Chart
Cosine
Similarity Transformation or Similarity
Cylinder