题目
题型:解答题难度:一般来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131807-42119.png)
(Ⅰ)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131808-14882.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131808-53114.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131808-64842.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131808-95000.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131809-92497.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131808-14882.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131809-99612.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131809-99554.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131808-14882.png)
(Ⅱ)函数
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131808-64842.png)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131809-52454.png)
(II)由(I)可知
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131808-53114.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131810-55221.png)
(Ⅰ)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131810-61232.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131810-33870.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131810-55535.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131810-14632.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131808-95000.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131809-92497.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131808-14882.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131809-99612.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131809-99554.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131808-14882.png)
(Ⅱ)由(Ⅰ)知
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131809-52454.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131808-53114.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131811-79872.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131811-88284.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131811-39082.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131810-55221.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131811-10792.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131812-67652.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131811-79872.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131808-64842.png)
核心考点
试题【已知函数.(Ⅰ)求函数的最小正周期及最值; (Ⅱ)令,判断函数的奇偶性,并说明理由. 】;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/20190910/20190910131726-52932.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131727-88041.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131727-31351.png)
(Ⅱ)对于(Ⅰ)中的角
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131727-31351.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131727-77284.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131727-58861.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131727-91789.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131727-58861.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131713-45580.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131713-25882.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131713-89976.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131713-19061.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131714-20769.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131706-92235.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131706-66476.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131707-11337.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131707-73465.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131707-67581.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131707-69128.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131708-77018.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131708-27730.png)
(1)求角
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131706-66476.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131708-18235.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131708-67157.png)
已知向量m=
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131557-79374.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131557-46990.png)
(1)若m·n=1,求
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131557-83308.png)
(2)记函数f(x)= m·n,在
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131558-10670.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131558-36436.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190910/20190910131503-63701.png)
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