题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213856-95483.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213856-54531.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213857-90399.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213857-88565.gif)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213857-68298.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213857-80611.gif)
(2)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213858-63892.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213858-16578.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213858-21473.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213858-53327.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213859-72537.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213859-37286.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213859-20903.gif)
解析
(1)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213859-61234.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213859-13600.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213900-93413.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213900-52351.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213900-53614.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213900-57599.gif)
所以:
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213900-91318.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213859-37286.gif)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213858-63892.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213901-97195.gif)
因为:
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213901-42153.gif)
所以:
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213901-99456.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213901-82363.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213902-47504.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213902-93248.gif)
因此:
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213859-20903.gif)
核心考点
试题【设函数,其中向量 ,,.(1)若,且,求x的值;(2)若函数的图像按向量 平移后得到函数的图像,求实数的值。】;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/20190915/20190915213834-86047.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213834-75795.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213834-75795.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213835-12334.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213834-75795.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213820-29612.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213820-83057.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213820-57628.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213821-75356.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213821-71400.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213736-20723.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213736-30719.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213736-55725.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213736-55725.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213736-55914.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213737-54709.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213721-20749.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213721-51577.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213722-25923.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213722-53566.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213722-15114.gif)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213722-70314.gif)
(2)将函数
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213722-70314.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213723-94845.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213723-94845.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213653-86559.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213654-18341.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213654-60040.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213654-58268.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213654-58268.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190915/20190915213654-58268.gif)
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