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三角函數 週期、振幅變化 課堂投影用
Author:
宋政蒲
Topic:
Cosine
,
Sine
,
Tangent Function
,
Trigonometric Functions
這裡左右伸縮是以 x+b = 0 這條鉛直線為基準去伸縮;上下伸縮是以 y = c 這條水平線為基準去伸縮。
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