1 . 在极坐标系中,直线
的极坐标方程为
,以极点为原点极轴为
轴的正半轴建立平面直角坐标系,曲线
的参数方程为
(α为参数,且
).
(1)写出直线
的直角坐标方程和曲线
的普通方程;
(2)若直线
与曲线
有两个公共点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0174dad7722c8cd56660838fe70f23f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7de7fee02b45e2db6172caeee2b91c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d204082daeea4b4a5b8396ebf2b80e9e.png)
(1)写出直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2016-12-04更新
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1445次组卷
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3卷引用:2016届海南师大附中高三第九次月考文科数学试卷