题目
题型:填空题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030937-20433.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030937-35794.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030937-64735.png)
解析
试题分析:法一:
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030937-94306.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030937-44906.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030938-41862.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030938-92033.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030938-73747.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030939-94327.png)
核心考点
试题【若,则____________.】;主要考察你对同角三角函数的基本关系等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030919-62465.png)
①若
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030920-93960.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030920-68306.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030920-74492.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030920-96321.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030920-68306.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030920-74492.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030920-14319.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030920-68306.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030920-74492.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030920-54458.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030920-68306.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030920-74492.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030857-58422.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030857-69462.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030857-51818.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030858-31740.png)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030858-70035.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030857-69462.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030858-65212.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030858-65465.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030858-57177.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030841-27615.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030841-26123.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030841-26404.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030841-36063.png)
(1)求实数
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030842-70964.png)
(2)设函数
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030842-47474.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030842-29905.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030829-74877.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030829-59901.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030829-40743.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030808-33610.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030808-69899.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030808-47497.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030808-69899.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030809-35567.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030808-33610.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030809-31583.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030809-30686.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030808-33610.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030809-30686.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030809-20581.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030809-90210.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030809-55633.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823030810-34150.png)
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