题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050415-32736.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050415-29684.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050415-19315.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050416-69525.png)
答案
解:(1)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050416-90211.png)
∵
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050416-33645.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050416-62627.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050417-79299.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050417-75437.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050415-29684.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050417-62369.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050415-29684.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050417-62183.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050415-29684.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050418-13877.png)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050418-68894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050418-45954.png)
∵
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050418-40655.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050418-89984.png)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050419-30692.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050419-93964.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050419-67668.png)
解析
核心考点
试题【 已知(1)求的值域;(2)若,求的值。】;主要考察你对正弦函数的图象与性质等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050355-12860.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050355-39969.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050355-37485.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050355-93352.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050351-30374.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050320-95864.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050311-68980.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050311-66051.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050312-43887.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050311-68980.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050304-99593.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050304-46380.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050305-74554.png)
已知
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050305-90290.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050305-50265.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050305-76425.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050306-93969.png)
(1) 若
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050306-44526.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050306-59450.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050306-14528.png)
(2) 若函数
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050307-16683.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050307-45187.png)
(3) 下)平移
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050307-79054.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050307-43132.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911050307-75412.png)
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