1 . 已知函数f(x)=3sin(ωx﹣
)(ω>0)和g(x)=2cos(2x+φ)+1的图象的对称轴完全相同,若x∈[0,
],则f(x)的取值范围是
![](https://img.xkw.com/dksih/QBM/2016/3/15/1572540559917056/1572540565733376/STEM/633a72768a144eee9a5c5a547a63d904.png)
![](https://img.xkw.com/dksih/QBM/2016/3/15/1572540559917056/1572540565733376/STEM/9f4d443b470c42d8a3b5e06e07bba1c7.png)
A.[﹣3,3] | B.[﹣![]() ![]() | C.[﹣![]() ![]() | D.[﹣![]() |
您最近一年使用:0次
2 . 已知
,且
,则![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/3176af00d2894b508f9a0905bed2fd8a.png?resizew=51)
______ ,![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/a59326f2a2e24734b0f981d41b3ee951.png?resizew=41)
______ , ![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/97bcf747a18d4db584665e4247e0f39c.png?resizew=43)
_______ .
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/467f8a13cffb447cbe11f9cc127fe777.png?resizew=60)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/6f34c914c5ff4789958bdc256e196dd5.png?resizew=92)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/3176af00d2894b508f9a0905bed2fd8a.png?resizew=51)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/a59326f2a2e24734b0f981d41b3ee951.png?resizew=41)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535899914240/1572535905583104/STEM/97bcf747a18d4db584665e4247e0f39c.png?resizew=43)
您最近一年使用:0次
3 . 已知
是圆
上的动点,
在
轴上的射影为
,点
满足
,当
在圆
上运动时,点
形成的轨迹为曲线
.
(1)求曲线
的方程;
(2)经过点
的直线
与曲线
相交于点
,并且
,求直线
的方程.
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/f5ee68c637d34bd3851221301a1af8f2.png)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/2bd416afae664843a4bdc06578fde5bc.png)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/f5ee68c637d34bd3851221301a1af8f2.png)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/4f61d551af564e5c804c47a3d3ffadc6.png)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/1f3855d2cd11469d98818fc1762b8213.png)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/0307ce0811d5484cb673bd05ebef475b.png)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/96916b7082c8474a82ccce5c2828a3d4.png)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/f5ee68c637d34bd3851221301a1af8f2.png)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/d224cf2f5c904f259f8e9659cd9a4216.png)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/0307ce0811d5484cb673bd05ebef475b.png)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/278b21898fb34a1096da033c674d93f9.png)
(1)求曲线
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/278b21898fb34a1096da033c674d93f9.png)
(2)经过点
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/633ee10ac6384c759a3f86b9463eaec2.png)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/eed26cb18ca24431bc5b30208b7dc779.png)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/278b21898fb34a1096da033c674d93f9.png)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/f86a4a53f13a4da79fd3d81d8121571b.png)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/45a2c0a57f0b4dc6a2a7e21c613a89f6.png)
![](https://img.xkw.com/dksih/QBM/2016/2/29/1572503850123264/1572503856168960/STEM/eed26cb18ca24431bc5b30208b7dc779.png)
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4 . 已知函数
.
(1)求
的值;
(2)求使
成立的
的取值集合.
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572892695781376/1572892701982720/STEM/24e3989620144057b62bf6fa4138d9c2.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572892695781376/1572892701982720/STEM/2c179597c49849898c68f8ca5c5fbe71.png)
(2)求使
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572892695781376/1572892701982720/STEM/8125b828c5ba4f70b1f8f63e350eb9ab.png)
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572892695781376/1572892701982720/STEM/70a936ed882a42638548b0e179133e99.png)
您最近一年使用:0次
2016-12-04更新
|
806次组卷
|
2卷引用:2017届河北定州中学高三上学期周练7.8数学试卷
13-14高一下·甘肃武威·阶段练习
5 . 已知函数
,
.
(1)求函数
的最小正周期和单调递减区间;
(2)已知
中的三个内角
所对的边分别为
,若锐角
满足
,且
,
,求
的面积.
![](https://img.xkw.com/dksih/QBM/2014/7/23/1571823623938048/1571823629869056/STEM/7f307410597d4447b6c85443e5fa6d03.png)
![](https://img.xkw.com/dksih/QBM/2014/7/23/1571823623938048/1571823629869056/STEM/d6a44b32702643d1858622ef7561c1bb.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a4695b15aa34288cb19df1816d0e30b.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad299170666d6acebb3156f7e9b8dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f34365e5040ce6944115c8da61bf110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e11f594b16174b616c42abd2f78a2787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
您最近一年使用:0次
6 . 已知
,
,且
的周长等于
.
(1)求动点
的轨迹
的方程;
(2)已知点
分别为动直线
与轨迹
的两个交点,问在
轴上是否存在定点
,使
为定值?若存在,试求出点
的坐标和定值;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549785600/STEM/fd55c9f637f94f81b185ef2ee4fed542.png)
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549785600/STEM/fcf0dc1c4384429b875bd0a722cc010a.png)
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549785600/STEM/65de9ec925224d29a5720b608be627cc.png)
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549785600/STEM/cdc62da0bc5e4df7ab81e0f30308e37f.png)
(1)求动点
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549785600/STEM/5c0fe07d9b9b4cd1848c3ededb9b06dd.png)
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549785600/STEM/cd25f299f571445a81b6bad4be510258.png)
(2)已知点
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549785600/STEM/0568d906898d4a2fa815969a6fc0a95b.png)
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549785600/STEM/f377f17cfb6c4b13b4ca01556d212c78.png)
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549785600/STEM/cd25f299f571445a81b6bad4be510258.png)
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549785600/STEM/96eff9f5872d47bca9055a59ac0b45d6.png)
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549785600/STEM/5fd31dc3fa554435b00a4fe364b2d6e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b1f1b2ea5d1cc60221466899198e02d.png)
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549785600/STEM/5fd31dc3fa554435b00a4fe364b2d6e6.png)
您最近一年使用:0次
7 . 已知两定点
,
,点P在椭圆
上,且满足
=2,则
为
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269126144/STEM/3cdf2914521e4f429aada9980195e26d.png)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269126144/STEM/a81e926822d04c16a8d41cb439b7ae8c.png)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269126144/STEM/ada03861dae443aba7f752fb0b6dc19c.png)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269126144/STEM/8edad5762c88436c91128ff65084f902.png)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269126144/STEM/6ae4b0eb01c94ca39077218aaba359b5.png)
A.-12 | B.12 | C.一9 | D.9 |
您最近一年使用:0次
2016-12-04更新
|
677次组卷
|
2卷引用:2016届黑龙江省哈尔滨师大附中高三12月考文科数学试卷
8 . 已知三点
,曲线
上任意一点
满足:
.
(1)求曲线
的方程;
(2)动点
在曲线
上,曲线
在点
处的切线为
,问:是否存在定点
,使得
与
都相交,交点分别为
,且
与
的面积之比为常数?若存在,求
及常数的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/791b2c86be596ed7f69ef8884a8db109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ff7e0ef1f622120cc1b18e9d3e80ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9faed38473e2ac1a35f1337dd8b0b99f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de699f7605557f7e80e8d0db7b110f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a0ba90c3e4a161ebc2c46c4601ccb0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74e9abe19caaf6c304bc7ba750baf1ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d4b4d8949e54430104fdbb4207e7fef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cceacaf06092e9a71bbc0cdcd0de4e99.png)
(Ⅰ)求函数
的最大值及此时
的值;
(Ⅱ)在
中,
分别为内角
所对的边,若
为
的最大值,且
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cceacaf06092e9a71bbc0cdcd0de4e99.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(Ⅱ)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2333da32638ec636fa1e69e750ca4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6598a8ab6ad88ce536f30348eef24a3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad5c0edfa26564ef083507838e001f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2333da32638ec636fa1e69e750ca4a.png)
您最近一年使用:0次
10 . 已知
,
,记函数![](https://img.xkw.com/dksih/QBM/2016/1/6/1572419797524480/1572419803750400/STEM/50694d250508476f83b8b5b7c97cf41f.png)
(1)求函数
取最大值时
的取值集合;
(2)设
的角
所对的边分别为
,若a=2csinA,c=
,且△ABC的面积为
,求a+b的值.
![](https://img.xkw.com/dksih/QBM/2016/1/6/1572419797524480/1572419803750400/STEM/42703b7773e24ca290882d420e3a5205.png)
![](https://img.xkw.com/dksih/QBM/2016/1/6/1572419797524480/1572419803750400/STEM/03d1d3fe0e904301b2a1ce62445f47bf.png)
![](https://img.xkw.com/dksih/QBM/2016/1/6/1572419797524480/1572419803750400/STEM/50694d250508476f83b8b5b7c97cf41f.png)
(1)求函数
![](https://img.xkw.com/dksih/QBM/2016/1/6/1572419797524480/1572419803750400/STEM/9960d1667aac4692b0da3a6cc47541f9.png)
![](https://img.xkw.com/dksih/QBM/2016/1/6/1572419797524480/1572419803750400/STEM/ef52dde6b0724d8f96656974c6747c5e.png)
(2)设
![](https://img.xkw.com/dksih/QBM/2016/1/6/1572419797524480/1572419803750400/STEM/dbfd49e90cad43599a9537780ae8390f.png)
![](https://img.xkw.com/dksih/QBM/2016/1/6/1572419797524480/1572419803750400/STEM/9fa2a82d69ec4cabb28063de556a0a46.png)
![](https://img.xkw.com/dksih/QBM/2016/1/6/1572419797524480/1572419803750400/STEM/14de9c40c94c417c9f1310d2dd956e41.png)
![](https://img.xkw.com/dksih/QBM/2016/1/6/1572419797524480/1572419803750400/STEM/edc020c5759e48a0996f38c2f7c1de07.png)
![](https://img.xkw.com/dksih/QBM/2016/1/6/1572419797524480/1572419803750400/STEM/71e471fc4b63495caa60a7c2445d10f9.png)
您最近一年使用:0次