名校
解题方法
1 . 设向量
,
均为单位向量,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d6fd68b805a2c0d36fb5c21fff02d13.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae98586d80f892771c90ab39eaced90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee437e6ff470c2f67b8429f57b90ae37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ab55ce496dc3dfdf3f0c459ccf49cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d6fd68b805a2c0d36fb5c21fff02d13.png)
您最近一年使用:0次
2021-10-12更新
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685次组卷
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4卷引用:广东省河源市2022届高三上学期10月模拟数学试题