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sin函數
Author:
陳品瑄
GeoGebra
f(x)=asin(tx-h)+k
a：振幅 t：伸縮 （h, k）：平移
New Resources
近似值：有效數字
判斷球體
四邊形的特性
拼砌四邊形
長方體平面投影 (Codex版)
Discover Resources
畢式定理 (03)
电子表格建点
Li Shan Lan Cone Pi
圓相切
-3 ≤ cosA+cosB+cosC ≤ 3/2
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Right Triangles
Interest Calculation
Real Numbers
Trapezoid
Statistics