题目
题型:不详难度:来源:
(本题满分l0分)
在直角坐标系
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108051005-63745.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108051006-79704.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108051006-19173.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108051006-90578.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108051007-97260.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108051007-41137.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108051007-46918.gif)
(I)求圆心的一个极坐标;
(Ⅱ)当
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108051007-56352.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108051006-19173.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108051008-59538.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108051008-61350.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108051008-78035.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108051008-16605.gif)
解析
核心考点
试题【选修4—4:坐标系与参数方程(本题满分l0分)在直角坐标系中,以O为极点,轴正半轴为极轴建立极坐标系,直线的极坐标方程为.圆O的参数方程为,(为参数,)(I)求】;主要考察你对常见曲线的参数方程等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050954-49511.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050954-62464.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050954-62336.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050955-27572.gif)
(1)求直线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050954-49511.gif)
(2)求
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050955-33026.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050955-79149.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050955-49724.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050956-99115.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050956-91127.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050949-73719.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050949-38580.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050950-49325.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050950-62249.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050950-71204.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050950-62257.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050950-49325.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050951-32075.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050944-94120.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050944-12343.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050945-52371.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050945-57318.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050945-79624.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050945-70648.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050946-91375.gif)
立极坐标系,则曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050944-12343.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050940-17411.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050933-69644.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050934-13273.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050934-39527.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050934-74317.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050935-39295.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108050935-24344.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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