题目
题型:解答题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053243-30630.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053243-90650.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053243-90650.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053244-85815.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053244-82946.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053244-41496.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053244-27514.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053245-59323.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053245-68516.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053245-66987.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053245-85154.png)
(2)对称轴方程为:
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053245-11515.png)
解析
核心考点
试题【(本小题满分12分)已知函数的图象的一部分如图所示。(1)求的表达式;(2)试写出的对称轴方程;】;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/20190911/20190911053202-26639.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053203-27692.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053203-60941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053203-96328.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053204-14770.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053204-85453.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053204-42489.png)
(2)求
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053204-42489.png)
(3)若对任意x1,x2∈[0,
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053204-48220.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053204-46596.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053205-93076.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053159-35298.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053153-34313.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053154-35662.png)
A.向右平移![]() | B.向左平移![]() |
C.向右平移![]() | D.向左平移![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053143-22546.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053143-42177.png)
(2)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053144-38419.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053144-38419.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053144-44513.png)
(3)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053144-22723.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053133-65618.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053133-92950.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053134-73355.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053134-64280.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053134-35294.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053134-14331.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053135-79037.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190911/20190911053135-32295.png)
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