名校
1 .
的内角
的对边分别为
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.若![]() ![]() |
B.若![]() |
C.若![]() |
D.若![]() ![]() |
您最近一年使用:0次
2023-05-05更新
|
432次组卷
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3卷引用:宁夏回族自治区石嘴山市第一中学2023-2024学年高一下学期5月期中数学试题
名校
解题方法
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66f5d85f6a987a5d0fe271907bc5da.png)
且
.
(1)当
时,解关于
的不等式
;
(2)若对任意
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66f5d85f6a987a5d0fe271907bc5da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4eae1f670dd219e69b1a7ba6402b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2593aeac3708c4b3d52faf1b94480701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-11-21更新
|
895次组卷
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3卷引用:宁夏石嘴山市第三中学2023-2024学年高一上学期期中考试数学试卷