题目
题型:不详难度:来源:
求圆心为C
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031955-35019.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031955-77288.png)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031956-27483.png)
那么可以将已知中的圆心化直角坐标,然后化为普通方程,最后转化为极坐标即可。
解: 设圆上任一点为P(
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031956-92201.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031956-19724.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031956-53871.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031957-12836.png)
核心考点
试题【(本小题满分10分)求圆心为C,半径为3的圆的极坐标方程。】;主要考察你对常见曲线的极坐标方程等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031949-54902.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031949-20948.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031949-99631.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031950-50912.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031950-68790.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031950-56462.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031950-16896.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031951-17033.png)
(Ⅰ)求直线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031951-38647.png)
(Ⅱ)若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031951-38647.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031951-87166.png)
在直角坐标系中,以原点为极点,
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031942-43393.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031942-62893.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031942-58594.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031943-79716.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031943-40211.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031943-42051.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031943-40211.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031943-76091.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031944-15446.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031944-55655.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031944-23383.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031937-79586.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031937-64671.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031938-98944.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031933-73636.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031933-34280.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031933-78113.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031933-10176.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031933-69832.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031928-70368.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108031928-97307.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
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