名校
1 . 已知函数
的最小正周期为
.
(1)求
的值并计算
的值;
(2)若
,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff2b56392dc858ef11f2011116ba226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee7b91b443bf1dd19dc45aa890376c61.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb92995c95e2128737e716ef8a0e9430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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名校
2 . 已知函数f(x)=cos(2x
)+2sin(
)sin(
x).
(Ⅰ)求f(x)的单调递增区间;
(Ⅱ)求函数y=f(x)的对称轴方程,并求函数f(x)在区间[
,
]上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/671877c6fdd086c0072288dd12b0141b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13051df048b7a6e60ef885753a6f106b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd5dac83ce4a31fa05ce890c4728802a.png)
(Ⅰ)求f(x)的单调递增区间;
(Ⅱ)求函数y=f(x)的对称轴方程,并求函数f(x)在区间[
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bc838a77f5a97178129cb9536a8031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de12bbd5097debc83d6a46364589748.png)
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