![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787379f7ff8d24be7eebfea1cfe956d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ff265969988f1f138700129e5d7a6d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf4b25dacf6fc2fcd1167ca53f63d4ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
A.![]() | B.![]() | C.![]() | D.![]() |
23-24高二上·湖南长沙·期末 查看更多[2]
更新时间:2024-06-06 15:25:51
|
相似题推荐
单选题
|
容易
(0.94)
名校
解题方法
【推荐1】已知向量
,
,若
,则
与
的夹角的余弦值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f222e58869469641c3cd3bd4af065e2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02188c610c156e8a812ce3685efb90e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71d639f0ca2eabb4184c3600bad0346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
容易
(0.94)
名校
解题方法
【推荐2】若平面向量
,
的夹角为60°,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65e14bed4fda9cbf6d07db2f1509349d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次