10-11高三·江西宜春·阶段练习
1 . 已知函数
的图象与直线
的两个相邻交点的距离等于π,则
的单增区间为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0f9244db4ecea1f8bd1d0cfe4c4651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d28c41c0dab365316497fd39e0426966.png)
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10-11高一·江西南昌·阶段练习
2 . 下列命题中正确的序号为__________ (你认为正确的都写出来)
①
的周期为
,最大值为
;
②若
是第一象限的角,则
是增函数;
③在
中若
则
;
④
且
则
.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe590f33592cb6e75b2f33cc09799bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3162d2c7b650bba3e401ffbb1e13bb45.png)
③在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5251b0967363483cfa7d77382ad65694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4a4cb7fd3853f4f76065c863a8cd1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7d82f6e7c705beb94f87953afca5c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9911caa04166408ce86b1956dd0d982b.png)
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11-12高三·江西吉安·阶段练习
3 . 函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a2c1e0f8b2af99a6778c1d1b1c908e.png)
R
的单调减区间是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a2c1e0f8b2af99a6778c1d1b1c908e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b880f0f6d9a4b023ed953c5d094fb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
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