名校
1 . 已知
,且
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e309b13d393cc482e1f75954c95d98b.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/046387911745f43ff3b6804ea58eb26a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9da049c686ff81df5d6645ef51e993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e309b13d393cc482e1f75954c95d98b.png)
您最近一年使用:0次
名校
解题方法
2 . 设向量
,
的夹角的余弦值为
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f30d314a642667fef559032264647366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29276b43a2950ed71f0f9629a35dfa74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2396cac4b185cf1f1a67dad9248481c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d706bf6fdca693e77cfe740fa0baf06.png)
A.-23 | B.23 | C.-27 | D.27 |
您最近一年使用:0次
7日内更新
|
346次组卷
|
3卷引用:甘肃省金昌市永昌县第一高级中学2023-2024学年高一下学期期中考试数学试卷
甘肃省金昌市永昌县第一高级中学2023-2024学年高一下学期期中考试数学试卷陕西省西安市南开高级中学2023-2024学年高一下学期五月月考数学试卷(已下线)高一下期末考前押题卷01-期末考点大串讲(人教B版2019)
名校
解题方法
3 . 已知
,
,则
的值等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdbdafe0423655187189f110f9a37a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ff3493248d765912e94b2f0d1e37cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569087ece1739f75121b549c7de10058.png)
您最近一年使用:0次
名校
解题方法
4 . 已知
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef966cdd137b3b10e290201b4d17542e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95c98ce1bd8a5ffe3e18b4033d4ade5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc282dae4ac9132196ac5d13f63b901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f836697b6e7daec4ab093779fff51923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.png)
您最近一年使用:0次
5 . 求值
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaa7ab1c7bfffb5028f135eeb8fe4a4d.png)
A.![]() | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 化简
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41960a7deac3d49ba5186c8c5a5ed941.png)
A.1 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
7 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f7fc72f8c223b57149b3a444a119bb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e202b9804b62714eae1c1618f0219e9.png)
A.![]() | B.![]() | C.![]() | D.1 |
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名校
9 .
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b55f24642ccc4c04db9cb720543d8f.png)
A.![]() | B.0 | C.1 | D.![]() |
您最近一年使用:0次
名校
解题方法
10 . 已知
,则下列结论不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441c0a75eee57c60e6831138ce9aac32.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次