函数
的部分图象如图所示,给出以下结论:
![](https://img.xkw.com/dksih/QBM/2020/8/19/2531426050588672/2532439853006848/STEM/af2e1afebaa946abba8d7804c3c58b2a.png?resizew=145)
①
的最小正周期为2
②
的一条对称轴为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c98a7f3a8bf384b1dfc1d34aebd46d2.png)
③
在
,
上单调递减
④
的最大值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
则正确的结论为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c71d6099a371ff6ca60500de8e90176.png)
![](https://img.xkw.com/dksih/QBM/2020/8/19/2531426050588672/2532439853006848/STEM/af2e1afebaa946abba8d7804c3c58b2a.png?resizew=145)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c98a7f3a8bf384b1dfc1d34aebd46d2.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce1982c6a0f898f5d2793359dfd3610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea088ceef09b19df53fab5ebaa80cea.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
则正确的结论为
2020高三·全国·专题练习 查看更多[3]
(已下线)专题4.4 函数y=Asin(ωx+φ)的图象及三角函数模型的简单应用-2021年高考数学(理)一轮复习-题型全归纳与高效训练突破四川省阆中中学2020-2021学年高三9月月考数学(理)试题四川省绵阳市盐亭中学2023届高三第二次模拟考试数学(理)试题
更新时间:2020-08-21 08:44:58
|
【知识点】 三角函数图象的综合应用解读
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填空题-单空题
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(0.85)
【推荐2】下面有五个命题:
①函数
的最小正周期是
;
②终边在y轴上的角的集合是{
|
=
|;
③在同一坐标系中,函数
的图象和函数
的图象有三个公共点;
④把函数
的图象向右平移
单位,得到
的图象;
⑤函数
在
上是减函数.
其中真命题的序号是__________ (写出正确命题的序号).
①函数
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/9b9dcd92ee684ce4a649415eea6b53b3.png?resizew=127)
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/1d8afdf2b38642c59ccc8e6625a314a5.png?resizew=13)
②终边在y轴上的角的集合是{
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/85dbc4dc794c4eed854b1ea47e98433d.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/85dbc4dc794c4eed854b1ea47e98433d.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/88c01eb4347f4f9b8667aa8703658422.png?resizew=67)
③在同一坐标系中,函数
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/c1cae40d60c44a9b83b9c71c3cbd0807.png?resizew=60)
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/cd14c03d08764fb2b809f9446db47c71.png?resizew=40)
④把函数
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/084109264ed146ce9e19928fbd90d1ae.png?resizew=119)
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/2cf7949ef53d43b889bfaf18a9712a65.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/5b63fa4f9afc4e609cdfda4e7b65e6c4.png?resizew=77)
⑤函数
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/36e59a1c872947f2a430791553ba75d1.png?resizew=101)
![](https://img.xkw.com/dksih/QBM/2011/11/30/1570550283689984/1570550288949248/STEM/a444ef60b8c24835aae00041385af250.png?resizew=36)
其中真命题的序号是
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