名校
解题方法
1 . 已知向量
,
,
,且
.
(1)求实数
的值;
(2)求向量
与
的夹角
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c152351d8712a136cd21ef62dcc61ac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1aed23416806f0214cd23cf7eeb8e37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a811e425b20fe1c8b0ab2f153392f732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b839e69d350fbdd19eeac7f1bd72a7.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
2020-07-25更新
|
542次组卷
|
7卷引用:云南省宣威市第三中学2023-2024学年高二上学期开学收心考试数学试题