题目
题型:填空题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152744-80658.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152744-86153.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152744-80295.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152744-88562.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152744-90386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152744-80295.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152745-86902.png)
解析
试题分析:根据题意,由于函数
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152744-80658.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152744-86153.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152744-80295.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152744-88562.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152744-90386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152745-75089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152745-88362.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152745-86902.png)
点评:本题考查的知识点是函数图象的平移变换及正弦型函数的对称性,其中根据已知函数的解析式,求出平移后图象对称的函数的解析式是解答本题的关键.
核心考点
试题【将函数图象沿轴向左平移个单位(),所得函数的图象关于轴对称,则的最小值为 ________. 】;主要考察你对任意角三角函数的概念等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152710-17292.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152710-67716.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152711-46326.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152710-67716.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152711-90028.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152711-95473.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152712-40643.jpg)
(Ⅰ)求
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152712-58311.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152712-70415.png)
(Ⅱ)在
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152712-21369.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152712-15599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152713-15611.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152713-22503.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152713-50514.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152713-10183.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152713-95794.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152713-62383.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152714-49232.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152714-53803.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152713-15611.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152713-22503.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152707-90015.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152707-48172.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152641-68132.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152641-68132.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152641-14144.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152642-63483.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152518-63280.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152302-95800.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190822/20190822152302-50273.png)
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