名校
1 .
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0ce8a9d9e0bc619c9f6decbd30e51e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-04更新
|
523次组卷
|
4卷引用:新疆生产建设兵团第四师第一中学2019-2020学年高一下学期期中考试数学试题
2 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf3502f0cddb1ed79bfdf549227c8ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf3502f0cddb1ed79bfdf549227c8ef.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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12-13高一下·山东济宁·期中
3 .
=
=______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d38f3e2012730251385a9794404a9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cc7b707df813c61f9fa638f552436f2.png)
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12-13高三上·新疆乌鲁木齐·阶段练习
4 .
的值为______________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6330dca952e4142997a7a29d17fc9ae2.png)
您最近一年使用:0次
5 . 已知函数
的图象,则把函数
的图象上每个点的横坐标扩大到原来的2
倍,再向右平移
,得到函数
的图象,则函数
的一条对称轴方程为
![](https://img.xkw.com/dksih/QBM/2016/10/6/1573055818932224/1573055824699392/STEM/8ec53f05290f43f5b8d6b4c4edd62713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
倍,再向右平移
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecdab625e32e38d1c72c901cece0e147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知向量
,
,则
=
![](https://img.xkw.com/dksih/QBM/2016/3/25/1572558028677120/1572558034468864/STEM/2bd7d90cf7094caa90529ab6cfe1cb77.png)
![](https://img.xkw.com/dksih/QBM/2016/3/25/1572558028677120/1572558034468864/STEM/a991ce47ee4242459364f1ad6d0b723e.png)
![](https://img.xkw.com/dksih/QBM/2016/3/25/1572558028677120/1572558034468864/STEM/7238f8e3018742049dd8b6190c42ab06.png)
A.3 | B.0 | C.﹣1 | D.2 |
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2011·新疆·二模
7 . 已知向量
=(sin
,2)与向量
=(cos
,1)互相平行,则tan2
的值为_______ .
![](https://img.xkw.com/dksih/QBM/2013/5/27/1571228640641024/1571228646211584/STEM/b63d5c3f49b246ff9acd595ae79dcc97.png?resizew=12)
![](https://img.xkw.com/dksih/QBM/2013/5/27/1571228640641024/1571228646211584/STEM/39f8334062384513948b13c971806122.png?resizew=15)
![](https://img.xkw.com/dksih/QBM/2013/5/27/1571228640641024/1571228646211584/STEM/718affb2f3f74a9da4ecb478df492bcf.png?resizew=12)
![](https://img.xkw.com/dksih/QBM/2013/5/27/1571228640641024/1571228646211584/STEM/39f8334062384513948b13c971806122.png?resizew=15)
![](https://img.xkw.com/dksih/QBM/2013/5/27/1571228640641024/1571228646211584/STEM/39f8334062384513948b13c971806122.png?resizew=15)
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11-12高一下·山东聊城·期中
8 . 如果角
的终边经过点
,那么
的值是.
![](https://img.xkw.com/dksih/QBM/2012/6/6/1570881481342976/1570881486536704/STEM/fd1d1caadf194b1eb731ced8e9b4c21d.png)
![](https://img.xkw.com/dksih/QBM/2012/6/6/1570881481342976/1570881486536704/STEM/2cdfa4d5a14d4815a22f2d5e809955a4.png)
![](https://img.xkw.com/dksih/QBM/2012/6/6/1570881481342976/1570881486536704/STEM/3880df0b9f0144568f071b1ebf5ac72a.png)
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9 . 已知圆C与两平行直线x﹣y=0及x﹣y﹣4=0都相切,且圆心C在直线x+y=0上,
(1)求圆C的方程;
(2)若直线l:y=kx﹣2与圆C恒有两个不同的交点A和B,且
(其中O为原点),求k的取值范围.
(1)求圆C的方程;
(2)若直线l:y=kx﹣2与圆C恒有两个不同的交点A和B,且
![](https://img.xkw.com/dksih/QBM/2016/3/25/1572558028677120/1572558034788352/STEM/fe4ef1a8817a45099c14d16d6d526081.png)
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解题方法
10 . 设平行四边形
的两条对角线AC与BD交于点O,
,
,则向量
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3adc4ed291596abf3bb93ae7a075d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e984585ddf28c039219afcebf229de7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f051cabd248937ab69fce64a390920.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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