解题方法
1 . 已知
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab59a34fc8e9efc023657f1374a1dc.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd13debe7b285b22bfed2ce69115134b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a4e9626b27d276bd2f1892354421b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab59a34fc8e9efc023657f1374a1dc.png)
您最近一年使用:0次
名校
解题方法
2 . 向量
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ef4988b025cdf296ea81d7ef05f404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfbb8f100032ea96009bba8af4a2a064.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebf7cb032b15baa0f41e9ca1a898affd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
您最近一年使用:0次
名校
解题方法
3 . 在平面直角坐标系
中,已知点
,点
满足
.
(1)若
,求
;
(2)若
,求
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd87e031fe14dd107f566643d306819.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b721627f9d117577c15f9793f949b91.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbff7b09a866394e0539f5e4121b0ba2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c9d8c2239ab4666b91a8046950e13e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
4 . 已知
分别是与
轴、
轴方向相同的单位向量,
,
(1)若
与
垂直,求实数
的值;
(2)若
的夹角为锐角,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9f2ac866029e869171b8f9223c40ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f713e4ceff72dee89d75a00c7b09fb46.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d108e523626be0b40be9b3543ce12524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4e49d17d4ad440d37c6f4bc8daba25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
解题方法
5 . 已知向量
,
.
(1)若
,求
;
(2)若
,
,求
与
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d4806428d45917cde867c566fc5f63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34a97e4d59095d79e6344d04b0f927b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7466f3ffa97e826620e45cd4134dea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de0212ab68627919b1d22ac348a3e849.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab24d183a2259e6c5bc9fe807db99255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d9997c0f3590f8ad54c282dee332235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1afc391105ca04c187e6be5bd77acc78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
您最近一年使用:0次
名校
解题方法
6 . 已知向量
,
,且
与
平行,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ef4988b025cdf296ea81d7ef05f404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf74c247bc13cae735b5ecf09ac34282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b83c5803cc8c05849028a57c4bd4ee72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bca35e52b8430246a1cf96e9e617cce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 已知向量
,若
与
反向共线,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa2ed20c13b53e504f8ecc07e65e789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb74499b8965b3f6c9acfbbb168df438.png)
您最近一年使用:0次
名校
8 . 已知向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c5fa0bc2b60d2a310163fca2e89f74b.png)
(1)若
求
;
(2)若
求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c5fa0bc2b60d2a310163fca2e89f74b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5ba119681ae236d5b8dd37471ab820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc23a04cdac6439ea170e799f1c1df5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c0d85606eaf1751beb7354b813918b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/605f7a29463afd6705608a6efc331ec3.png)
您最近一年使用:0次
名校
解题方法
9 . 已知向量
,若B,C,D三点共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5071620a9137ef5060b7b22a4c2fb739.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2024-05-20更新
|
563次组卷
|
2卷引用:广东省广州市白云艺术中学2023-2024学年高一下学期期中数学试题
解题方法
10 . 若向量
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d88a341c90d865e666a70fc567007f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a916bf4a3654420d10b50e260d659788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-19更新
|
357次组卷
|
2卷引用:甘肃省白银市2023-2024学年高一下学期5月阶段性检测数学试题