名校
解题方法
1 . 数学上的符号函数可以返回一个整型变量,用来指出参数的正负号,一般用
来表示,其解析式为
.已知函数
,给出下列结论:
①函数
的最小正周期为
;
②函数
的单调递增区间为
;
③函数
的对称中心为
;
④在
上函数
的零点个数为4.
其中正确结论的序号是____________ .(写出所有正确结论的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165d88ea5812bd14de49f5e3436eefad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a3bd54753e4c1a5fc06b414cc44ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d436e42ddbacbbd0af82f0e4750e54.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d56bab4fdb876bd72d5c9c7a734375.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5760e7c1da0c80f6b8912406b6b75c.png)
④在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeb66add53686f989fbbb057652cb6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3077b0cfb8a47439afc656af6cc889ad.png)
其中正确结论的序号是
您最近一年使用:0次
名校
解题方法
2 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36303e0e60c6f440a1e1c56e426ae9e5.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f23746ea810170e4260171c2fce1f1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d744ba7d39998afbb5a4fea6fa2a96e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36303e0e60c6f440a1e1c56e426ae9e5.png)
您最近一年使用:0次
名校
解题方法
3 . 已知
为锐角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12c2cc30a26023de9a4ecf51dde51986.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6865ff0c5ec270a3ce891e21aecc86cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12c2cc30a26023de9a4ecf51dde51986.png)
您最近一年使用:0次
2024-05-02更新
|
350次组卷
|
2卷引用:江苏省连云港市七校2023-2024学年高一下学期期中考试数学试题
名校
4 . 设角
的终边不在坐标轴上,那么函数
的值域为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7de0f49376e96b7ed37eb65563e4e48.png)
您最近一年使用:0次
名校
解题方法
5 . 设
,
,且
,则
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb6e94acb09a3d0e51aab9df90ad1b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dddea0134685ce58a7a850ac8aa52aeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e0461d96e0928c97bb690b1b5f033b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf631ae8dbd8cef31390fcd4411cee4.png)
您最近一年使用:0次
6 . 设
,则a,b,c的大小关系为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/732579a4dce080afca7dcdd3848cceb8.png)
您最近一年使用:0次
名校
解题方法
7 . 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/431daf06067704cff84b8e31e9afbcd5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/022254412d5e8c8b3b19ca0229fda90e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa5f8a88ee05a278fa4511b672bee4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/431daf06067704cff84b8e31e9afbcd5.png)
您最近一年使用:0次
8 . 若
为第一象限角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06d7258de3ea69c206cd1425a8caf1b6.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9eb14cda08256a38003a2f368a2f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06d7258de3ea69c206cd1425a8caf1b6.png)
您最近一年使用:0次
名校
解题方法
9 . 若
,则角
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32bbd21a92fe906616ba9ba1d8692837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
解题方法
10 . 已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/431daf06067704cff84b8e31e9afbcd5.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06f37bd322af6e273ceb66bac49a716.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be48622152587d3be7c2e05fe66e0be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/431daf06067704cff84b8e31e9afbcd5.png)
您最近一年使用:0次