函数
的最小值是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba0a6db7ee66026d91d622bc43e852b.png)
更新时间:2020-06-17 20:17:19
|
相似题推荐
填空题-单空题
|
较易
(0.85)
名校
【推荐1】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
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
解题方法
【推荐2】已知cos(
﹣
)=
,则sin2
=_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd92f594c348f7a956607f7b381cc22a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
解题方法
【推荐1】已知函数
的图象的一条对称轴是
,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e2e319fc39f552a95c80f11ccd6b85.png)
表示一个简谐运动,则其初相是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d1c2a131cf175a1d6983e5d3818ae44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b3f1f4eb3220be459ec386db7f7a4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e2e319fc39f552a95c80f11ccd6b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1350640d49668173f6e08a1a2725561.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
解题方法
【推荐2】计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3349ab426a6e425ca328cd9e649f60b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3349ab426a6e425ca328cd9e649f60b.png)
您最近一年使用:0次