题文
已知向量
=(cosθ,sinθ),向量

=(

,-1),则|2

-

|的最大值,最小值分别是( )A.4

,0
B.4,4

C.16,0
D.4,0 题型:未知 难度:其他题型
答案
D解析
该题暂无解析
考点
据考高分专家说,试题“已知向量=(.....”主要考查你对 [向量模的计算 ]考点的理解。
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