2024·全国·模拟预测
解题方法
1 . 如图,在直三棱柱
中,
为线段
的中点,
为线段
(包括端点)上一点,则
的面积的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2317dfec35762832f026ec62b20a690.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c407eeb34204a1df967b8fbe481cb04d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92905d020164683947943040ec19c530.png)
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2 . 已知A、B、C是半径为1的圆上的三个不同的点,且
,则
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8420a81193ad8527a735b471c189de9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f52368dc6e3e5df354053e701807cea.png)
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解题方法
3 . 如图,正四面体容器
,棱长为
是
的中点,
是线段
上的动点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2679701443fa053f0f7fc045123e54cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
A.若![]() ![]() |
B.若在这个容器中放入1个小球(全部进入),则该小球半径的最大值为![]() |
C.![]() ![]() |
D.若在这个容器中放入4个完全相同的小球(全部进入),则这些小球半径的最大值为![]() |
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名校
解题方法
4 . 设
是定义域为
的函数,如果对任意的
,
均成立,则称
是“平缓函数”.
(1)若
,试判断
是否为“平缓函数”并说明理由;
(2)已知
的导函数
存在,判断下列命题的真假:若
是“平缓函数”,则
,并说明理由.
(3)若函数
是“平缓函数”,且
是以
为周期的周期函数,证明:对任意的
,均有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec94294313030bb5554b79e8ceb407a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e9d063f31e28b30e052bfbf7002663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e808873b814cf720131eeed83e88bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b804ef2e9a9d20629e29d1f6fbfb5b7.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec94294313030bb5554b79e8ceb407a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49a2b43fdce5aaae58c0907de23cbc6c.png)
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2023-11-21更新
|
417次组卷
|
6卷引用:湖南省长沙市雅礼中学2023-2024学年高一下学期期中考试数学试题变式题16-19
(已下线)湖南省长沙市雅礼中学2023-2024学年高一下学期期中考试数学试题变式题16-19上海市上海大学附属中学2023-2024学年高三上学期期中考试数学试卷上海市浦东新区南汇中学2024届高三上学期12月月考数学试题(已下线)模块三 专题2 专题1 导数运算与几何意义的应用(已下线)模块三专题2 专题3 导数的几何意义与运算【高二下人教B】(已下线)模块三 专题5 导数的几何意义与运算【高二下北师大版】
名校
解题方法
5 . 定义在
上的非常值函数
、
,若对任意实数x、y,均有
,则称
为
的相关函数.
(1)判断
是否为
的相关函数,并说明理由;
(2)若
为
的相关函数,证明:
为奇函数;
(3)在(2)的条件下,如果
,
,当
时,
,且
对所有实数
均成立,求满足要求的最小正数
,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b23cd0a1f49a060640fa4981ba98fe0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffa1c68cebf2203d277f61cfdbacf175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(3)在(2)的条件下,如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc2b7be871fef904c94ef6360ee32bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d8663f63173aa6f7646eea8f1053170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b94f151c00959a1cd3946e7f8405337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c717940255e8135ebff734c2b0e94722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7c7b4934410a1727fe7024a6bd740f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
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名校
解题方法
6 . 在
中,角
所对的边分别为
.
(1)求
;
(2)若
,过
作
垂直于
交
于点
为
上一点,且
,求
的最大值.
![](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/142df6aa468d536b5c31c2ede01ef4da.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f46ef99700d9160d32d9c29f4a3948b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429d4830ab93100e6bcaffd39c039632.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
您最近一年使用:0次
2023-07-16更新
|
1044次组卷
|
4卷引用:湖南省长沙市雅礼中学2023-2024学年高一下学期期中考试数学试题变式题16-19
(已下线)湖南省长沙市雅礼中学2023-2024学年高一下学期期中考试数学试题变式题16-19云南省楚雄州2022-2023学年高一下学期期末考试数学试题辽宁省铁岭市昌图县第一高级中学2022-2023学年高一下学期期末数学试题(已下线)广东省佛山市第一中学2024届高三上学期第二次调研数学试题变式题17-22
22-23高一·全国·课后作业
名校
7 . 如图,四棱锥
中,
平面
,
,
.过点
作直线
的平行线交
于
为线段
上一点.
平面
;
(2)求平面
与平面
所成二面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f15cafcf9c9871250c02e036e0ddb9c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc50a2a5541f356f1ce9813ebb86cff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf33d73483c93f24cc6a1d76ef22ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09219dbd440c70d66bf2bf8b4c2bfe2f.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218054144a13435580cd132b9459546c.png)
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2023-03-12更新
|
2396次组卷
|
11卷引用:湖南省长沙市雅礼中学2023-2024学年高一下学期期中考试数学试题变式题16-19
(已下线)湖南省长沙市雅礼中学2023-2024学年高一下学期期中考试数学试题变式题16-19(已下线)第18讲 基本图形位置关系(已下线)第八章:立体几何初步 章末检测试卷(已下线)8.6.3 平面与平面垂直(1)-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(人教A版2019必修第二册)(已下线)13.2.4 平面与平面的位置关系 (2)(已下线)专题强化二:异面角、线面角、二面角的常见解法 (1)专题12空间中直线、平面的平行与垂直关系(解答题)(已下线)8.6.2 空间角与空间距离(精练)-2022-2023学年高一数学一隅三反系列(人教A版2019必修第二册)广东省东莞市东莞中学松山湖学校2022-2023学年高一下学期第二次检测数学试题河北省石家庄市辛集市2022-2023学年高一下学期期末数学试题江西省宜春市丰城拖船中学2023届高三一模理科数学试题
8 . 设
, 且
, 则
在
上的投影的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1f854c07b945e68cdf2070b59f71f1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6096acdd2d0ce16e1e45397ec5e365d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c57292009de027996e1247c1568a2fbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8426d0ad142830195cdf7ddddada3ff.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 已知函数
(
,
)的一系列对应值如表:
(1)根据表格提供的数据求函数
的一个解析式;
(2)根据(1)的结果:
①当
时,方程
恰有两个不同的解,求实数
的取值范围;
②若
,
是锐角三角形的两个内角,试比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a62f27ea19cb994c52f779be3ff1ecc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)根据(1)的结果:
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec5d200b561e4be52ccaaebdc3105d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43abcfd12d6b0922a7ee46b687b47557.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677e8a1b1cbe10c34c294a15b6bcb83d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cf8842f549081cf0cf000061ebfac03.png)
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