函数
的最小正周期为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb4e854e8054803e5eea338ee5cf21f5.png)
20-21高三上·上海浦东新·阶段练习 查看更多[2]
更新时间:2023-01-29 22:07:25
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【推荐1】若函数
与函数
的最小正周期相同,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7277696e8d9f58c9ec28887783b317e8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3988928335daf31a1520b91d1ae3fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596e129d95f7d8b8bce84771ac239916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7277696e8d9f58c9ec28887783b317e8.png)
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【推荐2】下列各组函数中,偶函数且是周期函数的是______
填写序号
①
;②
;③
;④
;⑤
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a301324443eb93b467134a86890dd9ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3162d2c7b650bba3e401ffbb1e13bb45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74e7e79ac17c51c7a4aaf9d59ec9beb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a869a76555f3369728f9005863bdb8eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9214539e367939d3f4676758334411d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802350a5a2cb15949bcbe9017f07634b.png)
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【推荐2】若
,则
等于___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1b496b406f19d9b843f40dc9db817df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de429a57ce99094c1c6fe025af908a28.png)
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