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以 Unit Circle 了解 Sine 的正/負
Author:
gklwong
Topic:
Circle
,
Sine
以 Unit Circle 了解 Sine 的正/負
GeoGebra
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畫出對稱圖形
柱體建築師
拼砌四邊形
找出對稱軸
【案例】2013年安徽高考15题
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二次涵数的图象y=ax^2+b
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