名校
解题方法
1 . 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
2 . 若不等式
在
恒成立,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b360c10d5a458fbd84cfbbe0f35cb8fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8a9f772cfcfa8704d5ac7a6fb272ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次