题目
题型:填空题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152518-62038.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152518-95864.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152518-90742.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152519-21212.png)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152519-51114.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152519-59244.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152519-59244.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152519-59244.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152519-59244.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152519-59244.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152519-59244.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152519-81537.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152518-62038.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152520-19779.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152518-90742.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152520-82100.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152519-59244.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152519-81537.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152519-51114.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152519-21212.png)
核心考点
试题【已知函数f(x)=sin,其中x∈,若f(x)的值域是,则a的取值范围是________.】;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/20190901/20190901152132-91305.png)
①f
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152132-63723.png)
②︱f
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152133-89140.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152133-11896.png)
③f(x)既不是奇函数也不是偶函数;
④f(x)的单调递增区间是[kπ+
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152133-98716.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152133-28689.png)
⑤存在经过点(a,b)的直线与函数f(x)的图象不相交.
以上结论正确的是 (写出所有正确结论的编号).
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152058-17311.png)
(1)求f(x)的最小正周期及最大值;
(2)若α∈(
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152059-15843.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901152059-27209.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901151910-84670.png)
(1)求f
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901151910-69992.png)
(2)求使f(x)<
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901151910-52913.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901151826-16739.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190901/20190901151826-30088.png)
A.最大值为![]() ![]() |
B.最大值为![]() |
C.最大值为2,最小值为-![]() |
D.最大值为2,最小值为-2 |
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