1 . 平面直角坐标系
中,已知F为椭圆
的右焦点,且
,过F作两条互相垂直的直线交椭圆分别于A、B与C、D,以F为极点,
轴正半轴为极轴建立极坐标系.
(1)求椭圆的极坐标方程与
的代数表达式;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ae454dab77bc2f04f972537bf0bc72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351377b47a85fd0c867aa0dedd0cc2c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求椭圆的极坐标方程与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d103817d0679773ce73f78b1efcbb244.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0ad548ffe6095c57e7df08c41a2ed1.png)
您最近一年使用:0次
2 . 选修4-4: 坐标系与参数方程
在直角坐标系
中,直线
经过点
,其倾斜角为
,以原点
为极点,以
轴非负半轴为极轴,与直角坐标系
取相同的长度单位,建立极坐标系,设曲线
的极坐标方程为
.
(Ⅰ)写出直线
的参数方程,若直线
与曲线
有公共点,求
的取值范围;
(Ⅱ)设
为曲线
上任意一点,求
的取值范围.
在直角坐标系
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/d8d4358f04964fc58d1bbe102fc77463.png)
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/335de97022a74fc49f6aa56d5127015c.png)
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/3386ae0e9c704ec7bc2c94b03c6b4456.png)
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/2e190fbd99cc4025b83db3b1623860fd.png)
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/e6ab23ed247447fe92dce05a7de6c0ef.png)
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/467794cb876d4150bf13fa8a19bf9270.png)
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/d8d4358f04964fc58d1bbe102fc77463.png)
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/2d3e271f096d45c69b952c059d387a3c.png)
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/2f9c65549a1a4f88843297cb33b140f8.png)
(Ⅰ)写出直线
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/335de97022a74fc49f6aa56d5127015c.png)
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/335de97022a74fc49f6aa56d5127015c.png)
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/2d3e271f096d45c69b952c059d387a3c.png)
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/2e190fbd99cc4025b83db3b1623860fd.png)
(Ⅱ)设
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/f4b19e6241ae4793832f61014cf46242.png)
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/2d3e271f096d45c69b952c059d387a3c.png)
![](https://img.xkw.com/dksih/QBM/2016/7/6/1572895900696576/1572895906349056/STEM/348b4e866f814511a924360110a8099e.png)
您最近一年使用:0次
2016-12-04更新
|
2613次组卷
|
2卷引用:2016届湖北省沙市中学高三考前最后一卷理科数学试卷