下列命题:①若
是定义在
上的偶函数,且在
上是增函数,
,则
;
②若锐角
满足
,则
;
③若
,则
对
恒成立;
④要得到函数
的图象,只需将
的图象向右平移
个单位.
其中是真命题的有_________ (填正确命题序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724f1face977df2f57d4004e68d92b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fbc0d830139b226c5eb2005139185ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a1bedab11fa52e9d7089353a2e76df.png)
②若锐角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fc783c870c739369174f16f4d1074b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/603cff3c965dc438ab872c1b879aece2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b5bb47ea526e3e383897ece150c3f2.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/855529b4420e494c861a93fff5589800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35263c6f9845207fca5862101815e931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
④要得到函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2e983e2a27a30ebef76d0440145e94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52eeec99a86a0614f4c45a6c3910bb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
其中是真命题的有
更新时间:2022-09-06 16:51:02
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