题目
题型:不详难度:来源:
已知函数
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021708-73671.gif)
(Ⅰ)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021708-95059.gif)
(Ⅱ) 当
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021708-56848.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021708-95059.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021709-91808.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021709-58718.gif)
解析
核心考点
试题【(10分)已知函数.(Ⅰ)求函数的最小正周期;(Ⅱ) 当时,求函数的最大值,最小值.】;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/20190914/20190914021703-71467.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021703-19155.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021705-11338.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021657-50945.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021657-58408.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021657-88081.png)
A.![]() | B.![]() | C.![]() | D.![]() |
A.π,[0,π] | B.2π,[-![]() ![]() |
C.π, [-![]() ![]() | D.2π,[-![]() ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021622-40694.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021622-91083.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021622-53957.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021622-81932.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021623-59652.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021622-40694.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
在
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021600-65712.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021601-81696.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021601-74692.gif)
已知向量
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021601-36664.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021601-90889.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021602-50836.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021602-15211.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021602-74801.gif)
(1) 求
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021602-89805.gif)
(2) 若
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021603-95204.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021603-26948.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190914/20190914021603-17425.gif)
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