函数
的单调递增区间为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7a96c9a2891c8e2542b991c10f537a.png)
更新时间:2022-09-29 20:16:50
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【知识点】 求sinx型三角函数的单调性
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【推荐1】函数
(
)的周期为
,则
的值为______ ;
的单调递减区间为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d6b2c52c47e95d77619d7b9696a9c6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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【推荐2】函数
在
的单调递增区间是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3c83f5b8afc7817e99a4ab2e4052522.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01dc2d99655cf7598837cb0886166ed.png)
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【推荐3】已知
,关于该函数有下面四个说法,
①
的最小正周期为
;
②
在
上单调递增
③当
时,
的取值范围为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82443820d05fb94887d41bc09f02b0e6.png)
④
的图象可由
的图象向右平移
个单位长度得到
其中正确的是______ (填写序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddddfd6956a8400c6b5649ada8edc435.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c9af1bc5ff872a96651a35f47330da.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e670a46456df1a78e6f7ac39cd94fd21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82443820d05fb94887d41bc09f02b0e6.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0df9f3b6523fdd4ae00bd425105bf766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e24f048f9a87274863ba2c037d7a5c.png)
其中正确的是
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