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三角函数定义
作者：
sschy
GeoGebra
最新資源
apec
Perimeter of Rectangle
Area of a Circle Illustrated
Conway Circle Theorem
Building Parallelograms with Set Areas
探索資源
Unit 6 Data Review for SLO
locuscircle2
Car, River, Campfire
Inscribed Polygons Project
Perpendicular Line Example
LawsonKatieFunctionProject2019.ggb
探索主題
曲線描繪
黎曼和（Riemann Sum）
數學
函數
Pythagoras or Pythagorean Theorem