已知
,
,则向量
,
的夹角为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/815d49630668025594dba4a40469ed1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071b25f9646dc146f96febbe1b45d88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
更新时间:2023-04-16 12:48:40
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相似题推荐
填空题-单空题
|
容易
(0.94)
解题方法
【推荐1】若非零向量
满足
,则
与
的夹角为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ccba3b87a8a48ac3dd5f72d00bdb1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b54ebfb1da75788347b06e932834943c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
您最近一年使用:0次
填空题-单空题
|
容易
(0.94)
【推荐2】已知
是夹角为
的两个单位向量,
,则
=_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1238a7a8ce9db1a47ae0ac80d5ed70cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ea38a7770fefdc15c3df944fe138f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f020233470bae826b789ecf8e8b7842.png)
您最近一年使用:0次