题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043453-27174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043453-49744.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043453-90332.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043454-86421.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043453-49744.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043454-49693.png)
解析
试题分析:定点
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043453-27174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043454-18500.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043453-90332.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043454-12503.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043454-86421.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043454-86421.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043454-62362.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043454-49693.png)
点评:极坐标方程与直角坐标方程的互化:极坐标
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043455-11616.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043455-52602.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043455-38652.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043447-52068.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043447-30623.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043448-94751.png)
A.圆、直线 | B.直线、圆 | C.圆、圆 | D.直线、直线 |
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043444-77648.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043444-19163.png)
A.![]() | B.![]() | C.![]() | D.![]() |
在直角坐标系
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043437-37477.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043437-83748.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043437-16932.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043437-14346.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043438-83423.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043438-67023.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043438-28408.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043438-17471.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043439-97175.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043437-83748.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043438-17471.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043439-96164.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043439-66014.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043431-60461.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043431-69784.png)
将直线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043431-47506.png)
设点P在曲线C上,求点P到直线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043431-47506.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108043426-56215.png)
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