Mathematics
Senior High
Resolved
想問
4
*9. y=sin(2x+
元
3
-)的圖形是由y=sinx圖形,先水平伸縮為原來的a倍,再向左移
b(0<b<元)得到,則數對(a,b)=_
TV
心麵。
【臺中二中
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