解题方法
1 . 已知抛物线的焦点为
,
是
上的动点,过点
作直线
的垂线,垂足为
,则
的最小值为
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名校
2 . 在
中,角
所对的边分别为
记
的面积为
,已知
.
(1)求角
的大小;
(2)若
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95d62b9a1fc994c972781c7013fedba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91420e7fe00249434e232ae415da72a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6301b3c0433c9695d8cee820344b255.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fa79a550591eb9e1bd07bced3a08fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dfa04ed69eb5e36931c076e0cf3f01e.png)
您最近一年使用:0次
2024-02-05更新
|
1572次组卷
|
8卷引用:山东省威海市2024届高三上学期期末数学试题
山东省威海市2024届高三上学期期末数学试题(已下线)考点17 解三角形中的最值问题 --2024届高考数学考点总动员【练】(已下线)艺体生新高考新结构全真模拟4(已下线)重难点3-2 解三角形的综合应用(8题型+满分技巧+限时检测)(已下线)专题1.11解三角形常考大题归类-重难点突破及混淆易错规避(人教A版2019必修第二册)湖南省长沙市南雅中学2023-2024学年高二下学期第一次月考数学试题(已下线)专题04解三角形的7种常考题型归类-《期末真题分类汇编》(北师大版(2019))陕西省西安市第八十五中学2023-2024学年高一下学期第一次月考数学试题
3 . 已知向量
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b76b3716c8a5d4b56e57d7acaeeb88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa622f2e94ee57c7cea8c038153f519e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b958a367fa2f08b6202a5a6ebf5e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2e19b1bc7280bde6ef1a5de3fe3d585.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 甲、乙、丙
人做传球练习,球首先由甲传出,每个人得到球后都等可能地传给其余
人之一,设
表示经过
次传递后球传到乙手中的概率.
(1)求
,
;
(2)证明:
是等比数列,并求
;
(3)已知:若随机变量
服从两点分布,且
,
则
.记前
次(即从第
次到第
次传球)中球传到乙手中的次数为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61bc9169d9c28f5b3400c9f04b2d3664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
(3)已知:若随机变量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f95e54a9b7c66c97dc6ee6161a25c0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78615553ab73d342753a334ef98e2bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e151ab5bc4b96d5de37a13c96672b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3c4669a5173bd0f2d3e527cfe349da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25cd46fefa0a76180917bf7a10b15b27.png)
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5 . 质点
和
同时出发,在以原点
为圆心,半径为
的
上逆时针作匀速圆周运动.
的角速度大小为
,起点为
与
轴正半轴的交点;
的角速度大小为
,起点为射线
与
的交点.则当
与
重合时,
的坐标可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73ddccabc25908a0aa14362bed1482f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3955f5def95f445132c8ba63f973639.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc3ec910f5266bbfbacf1036e5f7a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 定义在
上的函数
满足
,当
时,
.当
时,
;当
时,
.若关于
的方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb2e46f49adba6036e2624639a1b966.png)
的解构成递增数列
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0a69cc4c04e3e0b2e8a16b0a226776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43c366c5c3f59a0ad981cb71e4d381e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f26d4bd9628da86cb0a23b110246b953.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6315d46f66ae076b3cf39ef77f438453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a3260e1bdf747560875df466b0568fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/547dd1a97853ea2df3da9b168c45fdff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/903919710da690bffa130f0acc9d610d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31309043a0f061ca5c83f98b23f770a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb2e46f49adba6036e2624639a1b966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0414b27f710ab828b5525fb17395d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086e9b14c35ef3c57b20f5e952ebf9c8.png)
A.![]() |
B.若数列![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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解题方法
7 . 在正方体
中,
,
分别为线段
,
上的动点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
A.存在![]() ![]() ![]() |
B.![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次
解题方法
8 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f5a396b9b852f8e17843592a317205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cecaca7870b9156cfb9c3ba5f4ec6502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 在四棱锥中,底面
是边长为
的正方形,
,二面角
为
,则该四棱锥外接球的表面积为( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-05更新
|
574次组卷
|
3卷引用:山东省威海市2024届高三上学期期末数学试题
解题方法
10 . 已知
,
分别为双曲线
的左、右焦点,过点
的直线与圆
相切于点
,且与双曲线的右支交于点
,若
,则该双曲线的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4163a9cfea1c1a8e14d1a27f060d3a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4be819fc47b2aa19ab2022b3dfeb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ee53eed70e25d25740c4498325600e1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次