(极坐标与参数方程选讲选做题)设曲线
的参数方程为
(
为参数),直线
的方程为
,则曲线
上到直线
距离为
的点的个数有_个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb65e8cb1a736c353c3629ce59c96ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ab55147ca5c0f958af43b0637ee31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7cbd9c973d549145b0c64f21e24e9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed5ac4a8424e1ab70633d4c21d90501.png)
10-11高二下·江苏南通·期中 查看更多[3]
更新时间:2016-11-30 21:06:14
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【知识点】 曲线的参数方程
相似题推荐
填空题-单空题
|
较易
(0.85)
解题方法
【推荐1】将参数方程
(
为参数)化成普通方程为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429ff15060aa016681e660483d235914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐2】(坐标系与参数方程选做题) 已知直线
方程是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477660fcf9d16dc6f7fcfae22a04855c.png)
为参数),以坐标原点为极点,x轴的正半轴为极轴建立极坐标系,圆C的极坐标方程为
,则圆C上的点到直线
的距离最小值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477660fcf9d16dc6f7fcfae22a04855c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104c87717fcdb3b4513c4ea57bd03bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094ab3a9f3a40f6fc88a4184371dc745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次