题目
题型:单选题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823152032-53046.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
答案
解析
试题分析:A:
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823152033-80560.png)
B:
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823152033-93903.png)
C:
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823152033-41219.png)
D:
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823152033-63051.png)
核心考点
试题【下列各式中值等于的是( )A.B.C.D.】;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
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151943-20554.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151943-37141.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151943-97888.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151943-29169.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151943-12873.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151943-65582.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151943-31991.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151943-85926.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151943-48130.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151944-52126.png)
则
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151944-97407.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151929-53714.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151929-91920.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151930-93710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151851-78704.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151852-66776.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151826-31794.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151826-32163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151827-76093.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190823/20190823151826-31794.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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