题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015205-75395.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015205-41015.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015205-47996.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015206-84394.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015206-81362.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015206-17238.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015206-96821.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015207-31451.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015207-52578.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015205-47996.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015206-17238.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015207-97326.png)
解析
试题分析:由题意直线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015205-47996.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015207-25065.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015206-17238.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015207-13933.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015208-61861.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015208-99426.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015208-66501.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015208-61861.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015207-97326.png)
核心考点
试题【已知极坐标系的极点为直角坐标系的原点,极轴与轴的非负半轴重合.若直线的极坐标方程为,曲线的参数方程为为参数,且,则直线与曲线的交点的直角坐标为 】;主要考察你对极坐标与直角坐标等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015202-76686.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015202-73722.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015152-28246.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015152-67775.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015152-29683.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015152-28246.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015142-88526.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015142-26723.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015143-91074.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015143-77088.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015143-24016.png)
(1)求曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015142-88526.png)
(2)设直线l与曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015142-88526.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015143-77755.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015144-76346.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015144-45263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015144-74310.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015134-84360.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015134-62567.png)
切线长为 .
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015127-73769.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015127-15604.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015128-76648.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015128-29455.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015128-50076.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015128-11684.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108015129-67841.png)
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