题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031934-20284.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031934-45538.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031934-32873.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031934-13791.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031934-20284.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031934-45538.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031934-32873.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031934-20284.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031935-19347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031936-30928.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031934-13791.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031935-23872.png)
点评:解决的关键是利用倾斜角和直线与圆相交的性质得到函数值,属于基础题。
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031927-50095.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031927-32461.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031927-49301.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031924-66690.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031918-27096.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031918-60576.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031918-30246.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031904-88931.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031904-33937.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031904-15604.png)
(Ⅰ)过点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031904-25406.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031904-36659.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031905-36430.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031905-36430.png)
(Ⅱ)求以点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031904-25406.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031905-58439.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031904-25406.png)
(Ⅲ)设
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031905-74923.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031904-25406.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031905-74923.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031904-36659.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031905-53276.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031906-90961.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031906-83071.png)
如图:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031853-60590.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031853-46284.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031853-23697.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031853-74514.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031854-32269.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031854-82150.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031854-32269.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031854-47112.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031854-17949.png)
(2)求
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031855-73476.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023031855-64362.png)
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