直线
为参数
与曲线
为参数
的公共点的个数为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f74e7994b2ced0837665b6ea2ee9d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a7ceb68ea027d2baacd428a47baaf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
19-20高三上·北京通州·期末 查看更多[2]
更新时间:2019-01-26 09:33:50
|
相似题推荐
填空题-单空题
|
较易
(0.85)
【推荐1】在极坐标系中,直线
与圆
的公共点的个数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/603991621242e25edae553dea3d02dac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdebedd02b4ea57f8562443742086d3.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
解题方法
【推荐1】已知直线
的参数方程为:
(
为参数),圆
的极坐标方程为
,则圆
的圆心到直线
的距离为 .
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796744704/STEM/647f7dbbe9d9455ca4da942682ee6711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005620833e294df71a1b0522d09f05be.png)
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796744704/STEM/5f9de1e46de04d86ac6f4520c73ce42e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c14734f6bf48c662974b63d8328b951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2015/6/29/1572154791010304/1572154796744704/STEM/647f7dbbe9d9455ca4da942682ee6711.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐2】在平面直角坐标系中,直线
的参数方程为
(
为参数),以坐标原点为极点,
轴的非负半轴为极轴建立极坐标系,圆
的极坐标方程为
,若直线与圆交于
,
两点,则线段
的长度为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43715f5e2db50073b320ae5ab8a81f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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/dbcbf79bf34b0c7526e5a429bbb0ec6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次