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8. 設 P(3,4),O為原點﹐若 與 x 軸正向的夾角為θ﹐則直線 OP 的斜率與下列何者相等?(A) sinθ (B) cosθ (C) tanθ (D) cotθ
問題詳情
8. 設 P(3,4),O為原點﹐若
與 x 軸正向的夾角為θ﹐則直線 OP 的斜率與下列何者相等?
(A) sinθ
(B) cosθ
(C) tanθ
(D) cotθ
參考答案
答案:C
難度:
計算中
-1
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