名校
1 . 已知函数
,若
在区间
上的值域为
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb902e7ae40a9922ece919400e07ed68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87d6397ca315f69dd8fb18102aa9a194.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39f14287f9ed91bc59ad5d6beb1df8b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-12更新
|
1108次组卷
|
4卷引用:湖南省益阳市2024届高三下学期5月适应性考试数学试题
(已下线)湖南省益阳市2024届高三下学期5月适应性考试数学试题山东省济宁市2024届高三下学期三模数学试题河南省南阳市淅川县第一高级中学2024届高三下学期三模数学试题广东省揭阳市惠来县第一中学2023-2024学年高二下学期6月月考数学试题
解题方法
2 . 已知函数
,
的内角
,
,
所对的边分别为
,
,
,且
.
(1)求
;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b77556af06f380759cd23909e5f308d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa781335e560f335439c104cdae4511.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0360d04fe70618a66ffe06e1acf7546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99ea513ef4c8fc4d8c31eff498740680.png)
您最近一年使用:0次
3 . 在
中,角A,B,C所对的边分别为a,b,c,已知
,
,
.则
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39900a2d790732077ffb571427a134fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31b117c0e2c7a70c00ad56675598f77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa1e877232d3a8d663806da173328bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b01adc561735ff5be9bb97266918f2.png)
您最近一年使用:0次
解题方法
4 . 如图,在直三棱柱
中,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
分别是棱
,
上的动点(异于顶点),
,
为
的中点,则下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d927585a17c2e98ef7d5a9589a26ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9116a920c5c57865da27bcb0b5f9d507.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
A.直三棱柱![]() ![]() |
B.三棱锥![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.设直线![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
5 . 顶角为
的等腰三角形,常称为“最美三角形”.已知
,则“最美三角形”的底边长与腰长的比为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b398c95494eddc79939f16e66cf4da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb18a9f1c3da8512190db21608752a0c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-05-06更新
|
456次组卷
|
5卷引用:湖南省益阳市2024届高三下学期4月教学质量检测数学试题
湖南省益阳市2024届高三下学期4月教学质量检测数学试题湖南省郴州市嘉禾县第一中学等多校联考2023-2024学年高一下学期3月月考数学试题(已下线)模块五 专题2 全真基础模拟2(人教B版期中研习)(已下线)高一 模块3 专题1 第1套 小题进阶提升练(已下线)模块五 专题2 全真基础模拟2(苏教版期中研习高一)
解题方法
6 . 在
中,角
,
,
所对的边依次为
,
,
,已知
,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b254e5ee33a298ef218adbde0d4385b9.png)
A.![]() |
B.![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
7 . 已知
的定义域为
是
的导函数,且
,
,则
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b521dcb9fab2c9e5ab65bbc57fd55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16bbeaafc682ec25f67ea09f632500a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb68a982cc675c054ee52f6b79623670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c6b3591e14c313f5c2a9ae63f9818.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
8 . 如图1所示,为曲杆道闸车库出入口对出人车辆作“放行”或“阻拦”管制的工具.它由转动杆
与横杆
组成,
为横杆的两个端点.在道闸抬起的过程中,横杆
始终保持水平.如图2所示,以点
为原点,水平方向为
轴正方向建立平面直角坐标系.若点
距水平地面的高度为1米,转动杆
的长度为1.6米,横杆
的长度为2米,
绕点
在与水平面垂直的平面内转动,与水平方向所成的角
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49cbbf0efc7ec76c6596103068350ba7.png)
A.则点![]() ![]() ![]() |
B.则点![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
9 . 将函数
的图象向右平移
个单位长度得到函数
的图象,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325f9e2f7784ebdd64292e805884dfa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c8ae071199874d9d74a4919a58902f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() |
B.![]() ![]() |
C.当![]() ![]() |
D.函数![]() ![]() |
您最近一年使用:0次
2023-06-25更新
|
792次组卷
|
3卷引用:湖南省益阳市安化县第二中学2023届高三下学期模拟考试数学试题
解题方法
10 .
中,角
的对边分别为
,从下列三个条件中任选一个作为已知条件,并解答问题.①
;②
;③
的面积为
.
(1)求角A的大小;
(2)求
的取值范围.
注:如果选择多个条件分别解答,按第一个解答计分.
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a558d910e6ba04a3a3ca1671d1792ad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f8af3cab43d080e153ca720398ed63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e203518e337b4c9eed6b5cc61d2fc3.png)
(1)求角A的大小;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799a89348650d83b6917787616a256e5.png)
注:如果选择多个条件分别解答,按第一个解答计分.
您最近一年使用:0次
2023-04-14更新
|
835次组卷
|
4卷引用:湖南省益阳市2023届高三下学期4月教学质量检测数学试题
湖南省益阳市2023届高三下学期4月教学质量检测数学试题(已下线)押新高考第17题 解三角形(已下线)模块二 专题4 解三角形与三角函数福建省泉州中远学校2022-2023学年高二下学期第二阶段质量检测数学试题