已知单位向量
满足
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89977c92ff8afcb7b721179867f8e319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f68440f736f86c1f1ab313cd6b448d6.png)
23-24高二上·福建泉州·期末 查看更多[2]
更新时间:2024-01-15 21:39:55
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