1 . 若
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b20c55330ff84c461f54a9ae47d7fead.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35965d83b8ae06e557cb655fc464affc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-04-03更新
|
812次组卷
|
5卷引用:北京市育英学校2017届高三理十月月考试试题
2 . 已知函数
.
(1)求
的值;
(2)求函数
的最小正周期和单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3ae0ddb581ac2118be515da57d32df.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2018-04-03更新
|
586次组卷
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2卷引用:2017北京市北京19中高三文十月月考试题
3 . 若
是钝角,且
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d450aea0fb89e956fc4caa3a9c59fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdd4d028da3a97d81a6d8ce92f82c9e9.png)
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名校
4 .
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2f73a824dd0c70419b5ab201154531.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-04-03更新
|
1043次组卷
|
5卷引用:北京海淀北京19中2016-2017学年高一下学期期中考试数学试题
5 . 已知向量
,向量
,(其中
,
,
,
).定义:
.
①若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5551fb0492bc25596cabb007fe565389.png)
__________ ;②若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7481aca88fa2c15f6f9162080b37f0d2.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a990fff176ad776384e5c73687bf22e6.png)
__________ (写出一组满足此条件的
和
即可).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42fecd8495150d3bed02f3981827939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a941d0be7b4de9fae9c0b6fa1379da2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1c303cebf30c5dbb53dbcdd202a3ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/747a5e90959a4019e6d057599ddfdedb.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/788fa471d53a8be8dd55f561aecbf99d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783c4278864f850dc5b59d073a692f34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5551fb0492bc25596cabb007fe565389.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e8343408ada454640fc229dfae1315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7481aca88fa2c15f6f9162080b37f0d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a990fff176ad776384e5c73687bf22e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
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解题方法
6 . 已知
是第四象限角,
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1021d95014248e78c5d3cb0414a1292f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 已知函数
.
(1)求
最小正周期.
(2)求
在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae2cfa2fefb2921b240651124cf219f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
您最近一年使用:0次
8 . 已知
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de0e180ef261881872e9b6cdcca762c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-04-02更新
|
1058次组卷
|
2卷引用:北京市昌平区2016-2017学年第二学期高一年级期末质量抽测数学试题
名校
解题方法
9 . 已知
,
.
(1)求
的坐标;
(2)当
为何值时,
与
垂直;
(3)设向量
与
的夹角为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84bb94211edb2680f8b1470d5fd1eeb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dd96ee7b009f666482617dea459543a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d15482da34b317e1e9b860d283e64736.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15befbdad977723a86194979c675ee5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a638a8197b4049cf53905a9faf28f63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d15482da34b317e1e9b860d283e64736.png)
(3)设向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3944753cdec958157a53bc8f5b9cec0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfe676b3e9770aab084de562ed855565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe211e0dea7a44863e5e1706633c3aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb3a4ba09c5b616ce8e77ef35ae9047.png)
您最近一年使用:0次
2018-04-02更新
|
1090次组卷
|
2卷引用:北京市朝阳区北京工业大学附属中学2016-2017学年高一下期期中考试数学试题
解题方法
10 . 已知函数
.
(1)用五点法画出它在一个周期内的闭区间上的图象;
(2)指出自变量
为何值时,
取最大值、最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70a6fb488c6873baaef87465f1984dbb.png)
(1)用五点法画出它在一个周期内的闭区间上的图象;
(2)指出自变量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次