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F4_Ch9.1 任意角的三角比
Author:
Franky_0219
Topic:
Trigonometric Functions
GeoGebra
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折扣
斐波那契螺旋弧线(表格法)
球体的截面
龙形曲线-分形龙2
平行線的判定
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塗色練習
數學傳播39卷4期, 平面幾何公式思考
circle
長方形的對稱軸
重疊法
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Combinatorics
Parabola
Cosine
Secant Line or Secant
Translation