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1.若一2π≤x≤2π,直線 與函數y=cosx的圖形有幾個交點?(A) 1 (B) 2 (C) 3 (D) 4
問題詳情
1.若一2π≤x≤2π,直線
與函數y=cosx的圖形有幾個交點?
(A) 1
(B) 2
(C) 3
(D) 4
參考答案
用户評論
【
Hermione
】評論
已知 y=cosx的圖形如下圖藍線,y=1/4★0≤...
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