已知向量
,
,若
,则向量
与
夹角的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324ae9aabe9b5d2800807da07b3d0268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de77988a50e7c6ec9ba2026908ade855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3143307ad0ba4a631eac04e814993655.png)
A.![]() | B.![]() | C.![]() | D.![]() |
23-24高三上·广西·开学考试 查看更多[2]
更新时间:2024-05-27 11:22:24
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【推荐2】已知向量
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308f2706806fdef08107e3e9a7244e8e.png)
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A.![]() | B.![]() | C.4 | D.5 |
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【推荐1】在
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