名校
1 . 抛物线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
的焦点与双曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
的右焦点
重合,且相交于
,
两点,直线
交抛物线于另一点
,且与双曲线的一条渐近线平行,若
,则双曲线的离心率为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/46be5b84-8096-40b2-8872-c996706fd6a7.png?resizew=208)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75ed10db4b9747a4b6d865b774f6b6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26d3f9d8344e1c727fbbed5421daaa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/317631e0dcbde12e70019e795afb8fc3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/46be5b84-8096-40b2-8872-c996706fd6a7.png?resizew=208)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-02-01更新
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8卷引用:2019届天津市东丽区军粮城第二中学高三上学期12月月考数学试题
2019届天津市东丽区军粮城第二中学高三上学期12月月考数学试题2020届天津市高三上学期期末六校联考数学试题(已下线)专题05 圆锥曲线(选择填空)-2020年高考数学母题题源解密(天津专版)天津市十二校联考2022届高三下学期一模数学试题2020届高三2月第01期(考点08)(文科)-《新题速递·数学》(已下线)本册内容复习卷(基础过关)-2020-2021学年高二数学单元测试定心卷(人教版选修1-1)(已下线)本册内容复习卷(基础过关)-2020-2021学年高二数学单元测试定心卷(苏教版选修1-1)重庆市渝中巴蜀中学校2020届高三下学期4月月考理科数学试题
名校
2 . 菱形
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e918b70b02a73685e3c536c7f380e2c.png)
平面
,
,
,
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/f4daa484-e166-4d85-b4a2-4958b5c4bf05.png?resizew=183)
(1)证明:直线
平面
;
(2)求二面角
的正弦值;
(3)线段
上是否存在点
使得直线
与平面
所成角的正弦值为
?若存在,求
;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e918b70b02a73685e3c536c7f380e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed04b01505bbd8a4ac0bc12e46f23bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4528b9cb34e0e2d80a50f069c1782a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9bdf08dff8492bb9a6635816a3a9bf3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/f4daa484-e166-4d85-b4a2-4958b5c4bf05.png?resizew=183)
(1)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8616b1ede7bc2ce435323485a6180067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62871bb0dff211fc3bd80f9066c25b29.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b56793236a8025586a5ee6edd5fe839.png)
(3)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaee8f228ff24e7c89879bb5b999cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc46688d8723cf2003fc25890265200.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a08ce880f79d5b2740b7ab3ce8e37e62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/180d6f93806a6d4b6c19cf35b48eec0c.png)
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8卷引用:2019届天津市东丽区军粮城第二中学高三上学期12月月考数学试题
名校
3 . 已知点
,
分别是椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d72a07a4e5acfc140a3cea1f26b951.png)
的左顶点和上顶点,
为其右焦点,
,且该椭圆的离心率为
;
(1)求椭圆
的标准方程;
(2)设点
为椭圆上的一动点,且不与椭圆顶点重合,点
为直线
与
轴的交点,线段
的中垂线与
轴交于点
,若直线
斜率为
,直线
的斜率为
,且
(
为坐标原点),求直线
的方程.
![](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/d7d72a07a4e5acfc140a3cea1f26b951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f82eb4ba631d0f50d848aa6e576b379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c6b49e891fc20a3ebed5d587a23a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/023037c7a3e31ba698c39f9b52db2515.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95cefb160c373407a49e3a8aee1a228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35fc4be68d5497660d12339c06fccd66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
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8卷引用:2019届天津市东丽区军粮城第二中学高三上学期12月月考数学试题
名校
解题方法
4 . 如图,四边形CDEF是正方形,四边形ABCD为直角梯形,∠ADC=90°,AB∥DC,平面CDEF⊥平面ABCD,AB=AD
CD=a,M在FB上,且BD∥平面ECM.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/4156593b-d4ad-4520-bb31-efa3970233ba.png?resizew=161)
(1)求证:M为BF中点;
(2)求证:平面BCF⊥平面EMC;
(3)求直线CD与平面ECM所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c70c0c5a061195b9941796b6a9acc4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/4156593b-d4ad-4520-bb31-efa3970233ba.png?resizew=161)
(1)求证:M为BF中点;
(2)求证:平面BCF⊥平面EMC;
(3)求直线CD与平面ECM所成角的正弦值.
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5 . 如图,三棱柱ABC﹣A1B1C1中,所有棱长均相等,且AA1⊥平面ABC,点D、E、F分别为所在棱的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/5286113b-5539-49d1-9e13-bc1ed533ed72.png?resizew=153)
(1)求证:EF∥平面CDB1;
(2)求异面直线EF与BC所成角的余弦值;
(3)求二面角B1﹣CD﹣B的余弦值.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/5286113b-5539-49d1-9e13-bc1ed533ed72.png?resizew=153)
(1)求证:EF∥平面CDB1;
(2)求异面直线EF与BC所成角的余弦值;
(3)求二面角B1﹣CD﹣B的余弦值.
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6 . 过双曲线
的右焦点且与对称轴垂直的直线与双曲线交于
,
两点,
的面积为
,则双曲线的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.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/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15f9d0bfdeae4b2162be48adbd068625.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 已知
为双曲线E的左,右焦点,点M在E的渐近线上,
为等腰三角形,且顶角为
,则E的离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/317fa4eba865c4d4c5ea584f36c33eb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbf2d033664f89ef059ac8303622a3bf.png)
A.![]() | B.2 | C.![]() | D.![]() |
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解题方法
8 . 在如图所示的几何体中,四边形
是正方形,四边形
是梯形,
,
,平面
平面
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/4c56edfc-044e-4cca-9645-a6bc3785a0ba.png?resizew=167)
(1)求证:
平面
;
(2)求二面角
的正弦值;
(3)已知点
在棱
上,且异面直线
与
所成角的余弦值为
,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7bce6eba5d07a34f24c5370c580ac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/133659fd88416259e3b99eaf5751b98d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3025e649f4d4bc6bbda122f940cf8a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16c032261d2f887de100ed40e8fc676e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28ea2d880b20542c2d813f95c683403e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/4c56edfc-044e-4cca-9645-a6bc3785a0ba.png?resizew=167)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7bcd16691fdd6c2f280ed20a72f2cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218054144a13435580cd132b9459546c.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e738d31d5d2d20134ed862d404f3fb5d.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7246b49f9c9b524db7a8929133cb4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
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2020-05-11更新
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711次组卷
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10卷引用:【区级联考】天津市部分区2019届高三联考一模数学(理)试题
【区级联考】天津市部分区2019届高三联考一模数学(理)试题天津市静海一中2019届高三质量调查(一)数学(理)试题2019届天津市部分区高三下学期质量调查(一)数学(理)试题天津市静海区大邱庄中学2020届高三下学期第一次月考数学试题(已下线)2020届天津市北辰区高三第一次诊断测试数学试题天津市武清区杨村一中2019-2020学年高三(下)开学考数学试题天津市第一中学滨海学校2020-2021学年高三上学期12月第三次月考数学试题天津市五校联考2023-2024学年高二上学期期中考试数学试题天津市静海区北师大静海实验学校2024届高三上学期第二次阶段检测数学试题(已下线)考点26 空间向量求空间角(练习)-2021年高考数学复习一轮复习笔记
名校
9 . 设
,
分别为具有公共焦点
与
的椭圆和双曲线的离心率,
为两曲线的一个公共点,且满足
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac84abb2184e0b64913b8f1c1adbce2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6195d0c2e67d39496f2c495eaaf2f680.png)
A.![]() | B.1 | C.2 | D.4 |
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7卷引用:2019届天津市和平区高三高考三模数学(文)试题
2019届天津市和平区高三高考三模数学(文)试题天津市南开区南开中学2019-2020学年高三下学期第四次月考数学试题考点16 圆锥曲线的综合应用-2020年【衔接教材·暑假作业】新高三一轮复习数学(文)(人教版)考点15 圆锥曲线的综合应用-2020年【衔接教材·暑假作业】新高三一轮复习数学(理)(人教版)(已下线)第44讲 圆锥曲线的综合应用-2021年新高考数学一轮专题复习(新高考专版)(已下线)第41练 解析几何的综合问题-2021年高考数学(文)一轮复习小题必刷(已下线)专题06 直线与圆、椭圆方程(讲义)
名校
解题方法
10 . 已知双曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
的两条渐近线与抛物线
的准线分别交于
,
两点,
为坐标原点.若双曲线的离心率为
,
的面积为
,则抛物线的焦点为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f311053d11884b1a21d5f9b5724996c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b83beedb3438153e6f728545fe3e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-09-02更新
|
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6卷引用:天津市新华中学2019-2020学年高三上学期第二次月考数学试题
天津市新华中学2019-2020学年高三上学期第二次月考数学试题天津市滨海新区七所重点学校2018届高三毕业班联考数学文科试题(已下线)专题7 圆锥曲线几何性质-2018年高考数学(理)母题题源系列(天津专版)(已下线)专题7 圆锥曲线几何性质-2018年高考数学(文)母题题源系列(天津专版)(已下线)天津市七所重点学校2023届高三下学期3月联考文科数学试题辽宁省部分中学2021-2022学年高三下学期期末数学试题