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sinα + sinβ > 0 ?
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
兩組對邊相等的四邊形
拼砌四邊形
四邊形的特性
國旗 (Claude 版)
Nested spiral octagon
Discover Resources
尺規作圖找有理數點(以3分之5為例)
劉徽的「割圓術」
S5 Normal Distribution
翻轉方塊(雙開)
一點在圓上跑一點在三角形上跑兩點中點軌跡
Discover Topics
Parametric Curves
Secant Line or Secant
Hypothesis Testing
Incircle or Inscribed Circle
Differential Equation