名校
1 . 若
且
,则可以记
;若
且
,则可以记
.实数
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf13332b32a846c4b0d76c4a41724fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02b79e4546cb8ace8300116f3bce7c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe6d009b9ce3934923882ba6e44db70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6429783ab491d999a8698dd3562aed7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f2a42c9ad8227eec0904b27e2240c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a461bf4e6ff8bc12fc81f0e89ee36c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91fead39478c4d958541b584cf8e35bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c28459024511e40e194fe89e5c8eddb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad319ecfd5176485f778566f04fdf573.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2 . 如图,已知
为圆的直径,且
,
垂直于圆所在的平面,且
,
是圆周上一点,
,则二面角
的大小为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/19/d84bc398-bdb9-4309-8da0-f138c15ab8f6.png?resizew=158)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491c3a4f72b84ebadd28b90711435adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80be421a052e5eb07a61115d89cdf9ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec2e8d4093704e39fb71b25e1ee5652f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/19/d84bc398-bdb9-4309-8da0-f138c15ab8f6.png?resizew=158)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 已知直线倾斜角
的范围是
,当
时,
等于直线的斜率值.则直线
的倾斜角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f897eed68eaf69608ffa4cf9de94a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eb9fe45c7d4dd213d9c640150daec06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcfc6b5b7ae63a330f0cd8593ee47338.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知
,则以下四个式子表示
,其中不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8ff66ed4b394ef7a515a26bb3120f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . “
”是“
”的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7ec48efb61d5e0ddef3b4bacebdc1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d450aea0fb89e956fc4caa3a9c59fa.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2020-01-13更新
|
286次组卷
|
7卷引用:沪教版(2020) 必修第二册 同步跟踪练习 第6章 三角 单元测试卷
名校
6 . “
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e2021f87086225472a1d1e2dc1bcdf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17833fc1d6a8254733bd04744fc61493.png)
A.充分非必要条件 | B.必要非充分条件 |
C.充要条件 | D.既非充分条件又非必要条件 |
您最近一年使用:0次
2019-11-10更新
|
429次组卷
|
5卷引用:上海市七宝中学2018-2019学年高一下学期期中数学试题