已知平面向量
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438cdebdd7d518a549da277e59009b4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e70fc4ad48123e25160d086e947ec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
更新时间:2021-01-03 23:58:48
|
相似题推荐
填空题-单空题
|
较易
(0.85)
名校
解题方法
【推荐1】已知
,
,若
与
的夹角为锐角,则实数
的取值范围是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d12aafb4d5538b76be0eca2d733e42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/918a8eb8f85816985d15de252ba06663.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/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
解题方法
【推荐2】已知向量
,则
在
方向上的投影向量坐标为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c04fd537d75fc566f784502e421033.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
您最近一年使用:0次