名校
1 . 函数
对于
,都有
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3510b22fcf848f36cfaf5ff8964ce049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c4020b17f7ad2d5f179b3f6b01898e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-09-07更新
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684次组卷
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4卷引用:青海省西宁市城西区青海湟川中学2020-2021学年高二上学期期末数学(理)试题
2011高三·江西·专题练习
名校
2 . 设函数
,其中向量
,
.
(1)求函数
的最小正周期和在
上的单调增区间;
(2)当
时
的最大值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4cbc22c7f20839183c64e4f5924d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5281662f6760c8bbea0b7949d9705e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cab624a44a7316984c721b28fe4e892.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3aae9c8988f4a48db69cad3308942c9.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d3d8c08dcf8a656bacdf29af416.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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