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n等分单位圆作正弦曲线
Author:
许亚平
Topic:
Trigonometric Functions
GeoGebra
New Resources
判斷球體
畫出對稱圖形
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
Discover Resources
平面
Quiz on Indices and Logarithms 指數和對數：測驗
與三個半圓相切之圓家封閉面積
改變橢圓的形狀
小六_百分數(一)
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Kite
Sphere
Hypothesis Testing
Random Variables
Cosine