题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070912-78894.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070912-91759.gif)
(1)、求
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070913-93425.gif)
(2)、设
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070913-95749.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070912-78894.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070913-93425.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070912-78894.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070913-45863.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070913-82233.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070914-97699.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070914-19905.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070914-95203.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070914-94822.gif)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070915-33386.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070905-41258.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070906-72967.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070906-98093.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070906-70372.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070906-91782.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070907-74670.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070907-91021.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070907-23069.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070856-82918.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070856-22777.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070856-74886.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070857-93368.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070857-78506.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070856-74886.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070857-77117.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070856-22777.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070856-74886.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070857-54837.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070856-82918.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070856-22777.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070857-88922.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070851-53965.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070851-70339.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070851-41741.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070852-39651.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070847-24017.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070848-55050.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070848-45415.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070848-45386.gif)
A.30° | B.30°或150° | C.60° | D.60°![]() |
在
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070842-69839.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070842-17284.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070843-11595.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020070843-42949.gif)
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