1 . 在平面直角坐标系
中,点A是圆
上一动点,点B是圆
上一动点,当
三点共线时,过点B作x轴的垂线,垂足为H,过点A作
的垂线,垂足为P.
(1)请判断动点
的轨迹,并求出其轨迹方程;
(2)记(1)中轨迹为曲线C,在曲线C的上半部分取两点M,N,若
,且
.
①当
时,求四边形
的面积;
②求四边形
的面积最大时点M的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f808962ba6a716b7ae74a3b3d20c6a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/609465bd33590642c18323c03f39c23f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef644115c956ed62c3da8310c6f67ecd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdae78f4d3b8d8213ac3ac9a9567eb5.png)
(1)请判断动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ee82573986d4fa6a7ee1b5f397edae.png)
(2)记(1)中轨迹为曲线C,在曲线C的上半部分取两点M,N,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598d0e190c5a6c58543e16dd68b14957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe98ef73331666776210e74ea36555f8.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b032d78f28236864b69803022e442b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a75bfa01c4013b4710a7fb71c305c0b7.png)
②求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a75bfa01c4013b4710a7fb71c305c0b7.png)
您最近一年使用:0次
2024-01-06更新
|
320次组卷
|
3卷引用:福建省泉州市实验中学2024届高三上学期1月考试数学试题
2024·全国·模拟预测
解题方法
2 . 函数
的图象大致为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c02ec7bcb7d9b2350c76a79509675cb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . 已知函数
和
有相同的最大值.
(1)求
;
(2)证明:存在直线
,其与两条曲线
和
有三个不同的交点,并且从左到右的三个交点的横坐标
满足
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5795f9263f70d1f7d2f89165e366d34f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89dfdd2adf17982c868565991131daa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:存在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af79f45b5880c72a349500da9d8e118d.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/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5ad01314d1a1474f5319abbbf57cab3.png)
您最近一年使用:0次
名校
解题方法
4 . 在
中,内角
所对的边分别为
,满足
.
(1)求证:
;
(2)若
为锐角三角形,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/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c109fb5db5efdd7558fc14be27508f8.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8904522bf844b61febddc24346f8232f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb0730bfbb7ccba9f6b7a44cb3f8da4.png)
您最近一年使用:0次
名校
解题方法
5 . 当
时,不等式
在
上恒成立,则实数
的最大整数解是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab4fb840a3d83320583a043c70a3bc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da9c4395f88e1249463f9342cdbe2160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbb4726a619e54f0bc53e3e4d6c8976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
名校
解题方法
6 . 设向量
和
满足
,
,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e982278bb683e1adfae8087b96b7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6882965392a75fd0bbe89b8a95a45d73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e16eb319ee454088f5b527cf6c4d5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
11-12高三上·福建三明·阶段练习
解题方法
7 . 函数
的部分图象如图所示,则
的解析式是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92aacb15b685c2a329592715a155b46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/44700442-6d02-4c67-896c-890336bc092e.png?resizew=192)
您最近一年使用:0次
2024-01-06更新
|
532次组卷
|
5卷引用:2011届福建省三明市高三上学期三校联考数学理卷
(已下线)2011届福建省三明市高三上学期三校联考数学理卷(已下线)2012届广东省湛江一中高三12月月考理科数学广东省佛山市第一中学2017-2018学年高一上学期第二次段考(12月)数学试题广东省北京师范大学珠海分校附属外国语学校2021-2022学年高一上学期期末模拟数学试题(已下线)第五章 三角函数单元测试(巅峰版)-【冲刺满分】
名校
解题方法
8 . 已知
为坐标原点,
为直线
上的动点,
的平分线与直线
交于点
,记点
的轨迹为曲线
.
(1)求曲线
的方程;
(2)设
为曲线
上的两个动点,点
在第一象限,点
在第四象限,直线
分别过点
且与曲线
相切,
为
的交点,
为直线
与直线
的交点,求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dfcd7361034056375b3291dfe2c5819.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a089c207e39a24d0d82aa853ac2bbb8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6027238d82d4e64d2e6101f6f8f247cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/50297ad9f7256b4d2efc3462289f18b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50297ad9f7256b4d2efc3462289f18b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c29a7e8eea08197bf53164a560bee58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50297ad9f7256b4d2efc3462289f18b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98246b9360d381235c048b7ecd16262a.png)
您最近一年使用:0次
名校
解题方法
9 . 已知椭圆
,长轴长为4,
分别为椭圆的左焦点、右焦点,椭圆上一点
满足
垂直于
轴,且
.
(1)求椭圆
的标准方程;
(2)已知点
为该椭圆的左顶点,若斜率为
且不经过点
的直线
与椭圆
交于
两点,且点
在以线段
为直径的圆上,求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e9a9aaa49dee8866983f5e087da103.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
解题方法
10 . 已知圆锥的顶点为
,母线
所成角的余弦值为
,
与圆锥底面所成角为
,若
的面积为
,则该圆锥的侧面积为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b81c01cc7eda0e228f6e2698a009cfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6e2867f32d3f1c3cd36cd3a11a8580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e49817548cb45b3d1e58570644c6fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
您最近一年使用:0次
2024-01-05更新
|
323次组卷
|
2卷引用:福建省福州市长乐第一中学2024届高三上学期1月考试数学试题