名校
1 . 如图,在四棱锥
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37602d9cd4957b2b2908c64b466e65a4.png)
,
为棱
的中点,
平面
.
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9068f29d671d76d1e95ba3a4eaff5b96.png)
(2)求证:平面
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
(3)若二面角
的大小为
,求直线
与平面
所成角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37602d9cd4957b2b2908c64b466e65a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d41056df7af667755afade885de3eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.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/68fdb2b9d6a4a54ed1328c5b3adcf7b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9068f29d671d76d1e95ba3a4eaff5b96.png)
(2)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
(3)若二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1636b4530c0b42d0e0b649e90e3b9e85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
您最近一年使用:0次
2023-01-08更新
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8卷引用:天津市宁河区芦台第四中学2019-2020学年高三上学期第二次月考数学试题
天津市宁河区芦台第四中学2019-2020学年高三上学期第二次月考数学试题第8章 立体几何初步 章末测试(提升)-2022-2023学年高一数学一隅三反系列(人教A版2019必修第二册)(已下线)专题8.16 空间角大题专项训练(30道)-2022-2023学年高一数学举一反三系列(人教A版2019必修第二册)广东省汕头市2022-2023学年高一下学期期末数学试题山东省滨州市高新高级中学2022-2023学年高一下学期期中考试数学试题单元测试A卷——第八章?立体几何初步天津市汇文中学2023-2024学年高一下学期期中考试数学试题【人教A版(2019)】专题15立体几何与空间向量(第四部分)-高一下学期名校期末好题汇编
2 . (12分)
如图,四边形ABCD为梯形,AB//CD,
平面ABCD,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be41c4e49c8e44aedfc1370737a848b.png)
为BC的中点.
(1)求证:平面
平面PDE.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/17/5c969ea1-612a-4080-806b-4d73284c3e43.png?resizew=160)
(2)在线段PC上是否存在一点F,使得PA//平面BDF?若存在,指出点F的位置,并证明;若不存在,请说明理由.
如图,四边形ABCD为梯形,AB//CD,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be41c4e49c8e44aedfc1370737a848b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab161f344f385a0ec14ad5a7f2b05027.png)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/17/5c969ea1-612a-4080-806b-4d73284c3e43.png?resizew=160)
(2)在线段PC上是否存在一点F,使得PA//平面BDF?若存在,指出点F的位置,并证明;若不存在,请说明理由.
您最近一年使用:0次
2018-04-25更新
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13卷引用:天津市宁河区芦台第四中学2019-2020学年高一下学期期末数学试题
天津市宁河区芦台第四中学2019-2020学年高一下学期期末数学试题2015届四川省遂宁市高三第二次诊断考试文科数学试卷2015届宁夏固原市第一中学高三最后冲刺模拟文科数学试卷四川省成都市第七中学2016-2017学年高三下学期零诊模拟数学(文)试题四川省成都市第七中学2017-2018学年高二上学期第一次月考数学(文)试题【全国校级联考】河北省鸡泽、曲周、邱县、馆陶四县2017-2018学年高二下学期期末联考数学(文)试题普通高等学校招生全国统一考试2018届高三下学期第二次调研考试数学(文)试题【区级联考】广东省深圳市宝安区2019届高三9月调研考试数学文试题陕西省咸阳市武功县2020-2021学年高三上学期第一次质量检测文科数学试题(已下线)专题09 立体几何(讲)-2021年高考数学二轮复习讲练测(文科)(文理通用)四川省成都外国语学校2020-2021学年高二上学期12月月考数学(文)试题四川省成都外国语学校2020-2021学年高二上学期12月月考数学(理)试题(已下线)专题四 期末高分必刷解答题(32道)-《考点·题型·密卷》
解题方法
3 . 已知椭圆
的左顶点为
,上顶点为
,离心率为
,
.
(1)求椭圆的方程;
(2)设点
在椭圆上,且异于椭圆的上、下顶点,点
在圆
上,直线
,
的斜率分别为
,
,且
,求证:
(i)
;
(ii)直线
过定点,并求出此定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.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/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5a64bcb77f5f64e4af6930c249a270.png)
(1)求椭圆的方程;
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef74c4299221a967507c6a179337581a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80b04ce48c9ace43276552c77108126.png)
(i)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d85c6b63bef0f632fee2e7e438a4b5cc.png)
(ii)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
解题方法
4 . 如图,
且
,
,
且
,
且
,
平面
,
,M为棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/ead5b860-4040-40db-af0f-f38a12e0c74b.png?resizew=149)
(1)求证:
平面
;
(2)求直线
与平面
所成角的正弦值;
(3)求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64f1161e0345b3646c71365430dccbb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1989dc6aef61c294690d2105c72e894a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99188a6a00aabcd6936044139c771b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/155de273b3d3857761ef315adb514b4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7cb1376856b53c9d7a721dd92564f84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cf187bc2ede965870b90757b495f53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6df76b0fddc037620e368d44cc30a791.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/ead5b860-4040-40db-af0f-f38a12e0c74b.png?resizew=149)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8ccd4181f956f6e0140bf0ab8f0716.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0701f67727b0fc8100cfb5e20ec27d9b.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0701f67727b0fc8100cfb5e20ec27d9b.png)
(3)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43819ab7b268a6293a9251935b594690.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0701f67727b0fc8100cfb5e20ec27d9b.png)
您最近一年使用:0次
5 . 已知数列
满足:
,
.
(1)求证:数列
为等差数列;
(2)设
,求数列
的前
项和
;
(3)设
,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8fcc79d25afc6cedc04f020d425abc.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4cecbdebeb5d12fbe1d54b81cc05a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03d1e0b86b68d7ad69dae1d5bdbbccff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
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|
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3卷引用:天津市宁河区2023-2024学年高二上学期期末考试数学试题
6 . 如图,在棱长为2的正方体
中,
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/34441aed-3e4d-49d6-8091-33ef0c441207.png?resizew=167)
(1)求证:
平面
;
(2)求直线
与平面
所成角的正弦值;
(3)求平面
和平面
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/34441aed-3e4d-49d6-8091-33ef0c441207.png?resizew=167)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debdc6632a4877e5131d3da25cda8b89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea55a7e39361987096953d3a3ee1eaa4.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea55a7e39361987096953d3a3ee1eaa4.png)
(3)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2331bccb6ebf5b9fd639df994f575a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea55a7e39361987096953d3a3ee1eaa4.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
是指数函数,且其图象经过点
,
.
(1)求
的解析式;
(2)判断
的奇偶性并证明:
(3)若对于任意
,不等式
恒成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5511a368692de27c58ec48ce968de4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76eebef3b677de594419832555e85232.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22b8370c797755545397487293898bb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
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|
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2卷引用:天津市宁河区2023-2024学年高一上学期期末考试数学试题
解题方法
8 . 已知函数
,且
.
(1)求实数m的值;
(2)根据函数单调性的定义证明
在区间
上单调递增.
(3)若
,求
值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f53fb7e06388eefea683bd5fe86106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9da4fdfdddc259dcef9fdd4b826b64.png)
(1)求实数m的值;
(2)根据函数单调性的定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccfdd3d02b54e997cbec983d80f6bafd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac6a2f7366e0190592444bb60d3cea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
,
.
(1)当
时,求曲线
在
处的切线方程;
(2)求
的单调区间;
(3)设
是函数
的两个极值点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1237be7b7b3712cfe108061534ef7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2aabc96b7433bba077ceac76d8f0d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00210f79b04a8f6bc1922433d00bc89a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ac3f646599fe63ff886d34750e4e6a.png)
您最近一年使用:0次
2024-01-25更新
|
1823次组卷
|
5卷引用:天津市宁河区2024届高三上学期期末数学试题
天津市宁河区2024届高三上学期期末数学试题福建省莆田市莆田第一中学2024届高三上学期第一次调研数学试题(已下线)重难点2-4 利用导数研究不等式与极值点偏移(8题型+满分技巧+限时检测)(已下线)2023-2024学年高二下学期第一次月考解答题压轴题十六大题型专练(2)(已下线)模块2专题7 对数均值不等式 巧妙解决双变量练
名校
解题方法
10 . 如图,在三棱台ABC﹣A1B1C1中,∠BAC=90°,AB=AC=4,A1A=A1B1=2,侧棱A1A⊥平面ABC,点D是棱CC1的中点.
(2)求点B1到平面ABD的距离;
(3)求平面BCD与平面ABD的夹角的余弦值.
(2)求点B1到平面ABD的距离;
(3)求平面BCD与平面ABD的夹角的余弦值.
您最近一年使用:0次
2023-10-09更新
|
784次组卷
|
8卷引用:天津市宁河区芦台第一中学2022-2023学年高二上学期第一次学习诊断数学试题