名校
解题方法
1 . 如图,在四棱锥
中,
平面
,底面
是平行四边形,
,
为
的中点,
,
.
与平面
所成角的正弦值;
(2)求二面角
的大小.
![](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/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8915e8e775538d41debf1933102c6b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07bbfa04efa012c7907c2cbc00a40c8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9ad150cb1e4cd8977d4cc3d99be17c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/816b7f285cc55bbe5bf873538ba87230.png)
您最近一年使用:0次
7日内更新
|
689次组卷
|
3卷引用:安徽省阜阳市太和中学2023-2024学年高一下学期期中教学质量检测数学试题
安徽省阜阳市太和中学2023-2024学年高一下学期期中教学质量检测数学试题(已下线)核心考点7 立体几何中角和距离 B提升卷 (高一期末考试必考的10大核心考点)河北省沧州市部分学校2023-2024学年高一下学期5月联考数学试题
2 . 如图所示的多面体由一个四棱锥和一个三棱柱组合而成,四棱锥
与三棱柱
的所有棱长都为2,
.
的距离;
(2)求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d4155f5701138a3ad3207e67dcd66a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e0750c6fda08fc739bfc8c677713e32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d041feacf189306d130f4a949880bfc8.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4895f682a46bafd3df522cee827ae2d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9539f8fb13345b449274b67bbda995db.png)
您最近一年使用:0次
解题方法
3 . 如图,在几何体
中,
为等腰梯形,
为矩形,
,
,
,
,
,平面
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/e863d997-443d-4b25-8bc1-598d19d63ff6.png?resizew=151)
(1)证明:
;
(2)求直线
与平面
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecc1cb55a57dde481f8dd07ab150676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4ffb68a9ca3bf66788363bc89dab45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb55961fe96e155242d18d98e5c2261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4901a7eda97d6a307db76c4fb196ba3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9367449a5847eade07e69f4feddcb027.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/e863d997-443d-4b25-8bc1-598d19d63ff6.png?resizew=151)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a989aa942219970ec11ccd6ab186d69b.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6261790c66cc71ee3898afabad0c09f4.png)
您最近一年使用:0次
2024高三·全国·专题练习
解题方法
4 . 如图,在正四棱锥
中,点
为
的中点.
为
的中点,判断直线
与
的位置关系,并说明理由;
(2)正四棱锥
的各棱长均为2,求直线
与底面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
(2)正四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2024-03-26更新
|
178次组卷
|
3卷引用:第四章 立体几何解题通法 专题五 平移变换法 微点2 平移变换法(二)【培优版】
(已下线)第四章 立体几何解题通法 专题五 平移变换法 微点2 平移变换法(二)【培优版】内蒙古自治区包头市2024届高三下学期适应性考试文科数学试题(二)陕西省安康市高新中学2024届高三下学期5月适应性试题(二)文科数学试题
名校
5 . 如图,在三棱柱
中,
在底面ABC上的射影为线段BC的中点,M为线段
的中点,且
,
.
的体积;
(2)求MC与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8431a9f76fe9f867b50a818e8b1cf6c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8e9ec412ea0355e4e5cd06c60e5fee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4475e0a3df7ba0a5679c5f1795525713.png)
(2)求MC与平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd544dfc0e7c893a15e2cc23177be184.png)
您最近一年使用:0次
2024-03-06更新
|
1260次组卷
|
7卷引用:山东省菏泽第一中学人民路校区2024届高三下学期开学考试数学试题
山东省菏泽第一中学人民路校区2024届高三下学期开学考试数学试题2024届江苏省南通市徐州市高三2月大联考模拟预测数学试题(已下线)第3讲:立体几何中的探究问题【讲】(已下线)第06讲 空间直线﹑平面的垂直(一)-《知识解读·题型专练》(已下线)高一下学期期中复习解答题压轴题十八大题型专练(2)-举一反三系列(人教A版2019必修第二册)(已下线)第13章 立体几何初步 章末题型归纳总结 (1)-【帮课堂】(苏教版2019必修第二册)(已下线)重难点专题13 轻松搞定线面角问题-【帮课堂】(苏教版2019必修第二册)
6 . 如图所示,在长方体
中,
,
,
是棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/4142252d-d59c-4ad3-9e16-9878b36dcc3b.png?resizew=115)
(1)求异面直线
和
所成的角的正切值;
(2)求
与平面
所成的角大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd694ad3a4733c7c84aaa7946aeea4de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66200ae44919a57caf401a6d47737ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd34ae1a0406994d2c07a61e9220a3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b094e639c2b31dc54b1b3e6456e77843.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/4142252d-d59c-4ad3-9e16-9878b36dcc3b.png?resizew=115)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3640223cc216227526e79e487aea89b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa62b5a161c20430cb1dda9809247f3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0e65e147b109f2bbfd3a3f502bbc3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8effc47b601f75015bf109caa8dc559.png)
您最近一年使用:0次
7 . 如图,在正四棱柱
中,
,P是该正四棱柱表面或内部一点,直线
与底面
所成的角分别记为
,且
,记动点P的轨迹与棱
的交点为Q.
(1)求
的值;
(2)求平面
与平面
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b65578e86d18804283508f0f450d429.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589c3cc1f331dbb2248b0829039df7f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35af65d2e7b7e2e5b7b0293b9eec1aeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0851c37c5965dccabd2c242ca8745f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/27/7d00d227-00c3-46b1-9f43-86ba838b8888.png?resizew=156)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd56ed1aa00325691e556f1cc0874d4.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/407571a5c3e919ef898b58de7eeb2430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae7f4612c548b1f72a964ddb291cd2e.png)
您最近一年使用:0次
8 . 在如图所示的四棱锥
中,底面ABCD是平行四边形,点E,F分别在棱AB,PC上,且满足
,
.
平面PAD;
(2)若平面
底面ABCD,
和
为正三角形,求直线EF与底面ABCD所成角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee40331e3822e30af2e34515e7eeed9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5557246ca5d25d82330631afda327feb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7a407b262c22419f73396170ecdc849.png)
(2)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342d452a7b850cd3a15b23619ad39bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177678001b2ccde1db8f57fa5e017002.png)
您最近一年使用:0次
名校
解题方法
9 . 如图,在四棱锥
中,
平面
,
,
,
,
,点
是
的中点.
;
(2)求直线
与平面
所成的角的余弦值.
![](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/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d6ee72557cb3c3830212d74bca615a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90bc7e7906b002e1150680f6a67c30f4.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68a7bf0da4f7c6f739d2e2461ad9b7.png)
您最近一年使用:0次
2023-09-18更新
|
714次组卷
|
7卷引用:江西省2024届高三第一次稳派大联考数学试题
江西省2024届高三第一次稳派大联考数学试题广东省揭阳市普宁市第二中学2023-2024学年高三上学期第一次月考数学试题重庆市璧山来凤中学2023-2024学年高二上学期9月月考数学试题福建省泉州市晋江学校2023-2024学年高二上学期第一次阶段检测数学试题贵州省贵阳市观山湖区第一高级中学2023-2024学年高二上学期9月月考数学试题(已下线)专题06 用空间向量研究距离、夹角问题10种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教A版2019选择性必修第一册)广东省茂名市高州中学2023-2024学年高二上学期12月月考数学试题
10 . 如图,在四棱锥
中,底面
是正方形,侧棱
底面
,E、F分别是PC、AD中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/18/6d77f84e-71b0-41fd-8cc6-c2a7e4c06044.png?resizew=126)
(1)判断直线DE与平面
的位置关系;
(2)若PB与平面
所成角为
,求平面
与平面
所成二面角大小的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/18/6d77f84e-71b0-41fd-8cc6-c2a7e4c06044.png?resizew=126)
(1)判断直线DE与平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7d8c07bb0876c1e3eec161968f3d88.png)
(2)若PB与平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7d8c07bb0876c1e3eec161968f3d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/466fabcaac59132fea648ff35342ec9d.png)
您最近一年使用:0次