1 . 在平面直角坐标系
中,使角的顶点与原点重合,角的始边与
轴的非负半轴重合.已知点
是角
终边上一点,
,定义
.对于下列说法:
①函数
的值域是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a35e84fd71f12b97bdceb2b26edaf96c.png)
②函数
的图象关于原点对称
③函数
的图象关于直线
对称
④函数
是周期函数,其最小正周期为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
⑤函数
的单调递减区间是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ef899923a522e505c2087e14f85927.png)
其中正确的是___________ .(填上所有正确命题的序号)
![](https://img.xkw.com/dksih/QBM/2016/9/19/1573030522306560/1573030528212992/STEM/6c8cdde60aa0480e81d592252e9eb6ca.png?resizew=28)
![](https://img.xkw.com/dksih/QBM/2016/9/19/1573030522306560/1573030528212992/STEM/c4cc29a1a85a4835979b33731a7fe0f1.png?resizew=13)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764fcc75806c3283a2713a60b544dece.png)
![](https://img.xkw.com/dksih/QBM/2016/9/19/1573030522306560/1573030528212992/STEM/720669287200477685e564c08d4b9e09.png?resizew=85)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5224a7da7fe6bc28971ce4c277f88588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a35e84fd71f12b97bdceb2b26edaf96c.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5224a7da7fe6bc28971ce4c277f88588.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5224a7da7fe6bc28971ce4c277f88588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa072e56e4cdf7a02f5a67bd35dbabc.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5224a7da7fe6bc28971ce4c277f88588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
⑤函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5224a7da7fe6bc28971ce4c277f88588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ef899923a522e505c2087e14f85927.png)
其中正确的是
您最近一年使用:0次
2016-12-04更新
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256次组卷
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2卷引用:2015-2016学年黑龙江绥棱县一中高二6月月考数学(理)试卷