1 . 如图,在正方体
中,点M,N,P,E,F分别是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/29/6b92fa9d-e2d1-4e45-bc75-e0d843356e76.png?resizew=174)
(1)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
平面
;
(2)求
与面
所成角的正弦值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d3062a2e1d37f6277b2627b560df51f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/29/6b92fa9d-e2d1-4e45-bc75-e0d843356e76.png?resizew=174)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d853e58bc8dd262f99df3827ead644f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52173c8cc44246823c2bee21a783b731.png)
您最近一年使用:0次
2 . 如图,在四棱锥
中,底面ABCD为矩形,
平面ABP,
,E为BC的中点.
(1)证明:平面
平面PAD.
(2)若点A到平面PED的距离为
,求直线PA与平面PCD所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da42c5aa51de31a7a9c1cdf94fe48b0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/13/763c5411-73a6-4d36-a6a6-6d777c105ec1.png?resizew=77)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a940f43e94a687339a9b50e0694e2e8f.png)
(2)若点A到平面PED的距离为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c98ee8ce2c56dccae6b63b5a9ca022b8.png)
您最近一年使用:0次
解题方法
3 . 如图,在正方体
中,求直线
和平面
所成的角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/756d4d8a7051af5dae3ef56cb9e47c5b.png)
您最近一年使用:0次
2023-09-19更新
|
284次组卷
|
3卷引用:人教A版(2019)必修第二册课本例题8.6 空间直线、平面的垂直
人教A版(2019)必修第二册课本例题8.6 空间直线、平面的垂直吉林省白城市通榆县毓才高级中学有限责任公司2023-2024学年高二上学期10月期中数学试题(已下线)8.6.2 直线与平面垂直【第一练】“上好三节课,做好三套题“高中数学素养晋级之路
名校
4 . 如图,四边形ABCD是圆柱OE的轴截面,点F在底面圆O上,
,
,点G是线段BF的中点.
平面DAF;
(2)求直线EF与平面DAF所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3dc56d3c645f14375774cc15f7ba7fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f31d54d125c042169e282f14eddd45a1.png)
(2)求直线EF与平面DAF所成角的正弦值.
您最近一年使用:0次
2023-09-15更新
|
837次组卷
|
3卷引用:江苏省南京市2024届高三上学期9月学情调研数学试题
名校
5 . 如图,在三棱锥
中,侧棱
底面
,且
,过棱
的中点
,作
交
于点
,连接
.
(1)证明:
平面
;
(2)若
,三棱锥
的体积是
,求直线
与平面
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1f1f69539b564b942e1133888643e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4a6a1e70241d600bc6c104313eac61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26260c10afb34f543d86b67898134f3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/21/779893ef-997d-4ba3-95f8-0aea9823120b.png?resizew=131)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45fbffb9e2c7fa7c5006cde8da0cabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b80ee363635d73f601654339028daec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b115316e0fcd2ef46a4dd383472996e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0467b0675c3ecfb282cc88255284d3e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
您最近一年使用:0次
2023-08-20更新
|
1288次组卷
|
5卷引用:湖南省长沙市第一中学2023-2024学年高三上学期月考(一)数学试题
湖南省长沙市第一中学2023-2024学年高三上学期月考(一)数学试题广西壮族自治区南宁市东盟中学2023-2024学年高二上学期开学考试数学试题(已下线)专题05 直线与平面的夹角4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B版2019选择性必修第一册)(已下线)第02讲 空间向量的应用(2)(已下线)第四章 立体几何解题通法 专题三 参数法 微点1 参数法(一)【培优版】
2023高三·全国·专题练习
解题方法
6 . 已知正四棱台
的体积为
,其中
.
(1)求侧棱
与底面
所成的角;
(2)在线段
上是否存在一点P,使得
?若存在请确定点
的位置;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf56064f788f8161217d20455247f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d134433600df75f2a5d0f35deb2cac90.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/14/8e2123b6-62db-4a42-a857-8e44edb7866a.png?resizew=154)
(1)求侧棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e0a3d481377bf5d3f069e8a8560bd47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
名校
解题方法
7 . 图①是由矩形
,
和菱形
组成的一个平面图形,其中
,
,
.将其沿
,
折起使得
与
重合,连接
,如图②.
平面
;
(2)证明:
//平面
;
(3)求直线
与平面
所成角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d498a0467ff3c577a7ed175d7bffd885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0da522aef3c452767df89b8d0eb62de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de93a4fa2069aed282b7a97a4b41afbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/729c048c85a0c12eae9352dbe094dbcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/693cd6179b2a92f03153ce12a0e86b95.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(3)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
2023-08-02更新
|
566次组卷
|
5卷引用:山东省威海市2022-2023学年高一下学期期末数学试题
山东省威海市2022-2023学年高一下学期期末数学试题山东省青岛市第五十八中学2022-2023学年高一下学期5月阶段性模块考试数学试题(已下线)8.6.3平面与平面垂直——课后作业(基础版)(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)【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
名校
8 . 如图,在直三棱柱
中,D为棱AB的中点,E为侧棱
的动点,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09288c5259c905f6509051115f2d7ff1.png)
.
,使得
∥平面
?若存在,求出
的值;若不存在,请说明理由;
(2)设
,
,
,求DE与平面
所成角的正弦值的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09288c5259c905f6509051115f2d7ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8b50bf37cfd8cecf855ea7a817b0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b7903de4be7d5dc1175cfbf6e8da9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f41d364b55d88688cd1f571ed231228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788830ed1cb3b9c5988f70f43595f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
您最近一年使用:0次
2023-08-02更新
|
434次组卷
|
6卷引用:福建省福州市福清市高中联合体2022-2023学年高一下学期期末质检数学试题
福建省福州市福清市高中联合体2022-2023学年高一下学期期末质检数学试题福建师范大学第二附属中学2023-2024学年高二上学期10月月考数学试题(已下线)专题突破卷19传统方法求夹角及距离-2(已下线)第八章 立体几何初步 单元复习提升(易错与拓展)(2)-单元速记·巧练(人教A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)(已下线)专题08立体几何期末14种常考题型归类(2) -期末真题分类汇编(人教B版2019必修第四册)
9 . 如图,已知P为矩形ABCD所在平面外一点,设
,
,且PA⊥平面ABCD,
为
的中点.
(1)证明:
平面
;
(2)求EC与底面ABCD所成角的大小(结果用反三角函数值表示);
(3)求
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83a04565a8ebaa111894b724b0ba266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/3/adf08b1f-2988-4729-9969-2ebbf9f3b927.png?resizew=177)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa69a2247ad4d5231aa361349b12f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2da608b66c9aee03e2503388ba4fd.png)
(2)求EC与底面ABCD所成角的大小(结果用反三角函数值表示);
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
您最近一年使用:0次
10 . 如图,平面ABCD外一点P,
,
,
,
,
,
,
.
(2)证明:
平面
;
(3)求
与平面
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87830eb5bc4f4f02e706b1557173a2d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2753753faf2cb9a0003aa8e3945159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b40d0d2f3cdd8981bb792ad87efb42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4836945f324c29ef818b423bcc017a93.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689c065652544780be8b33ae92cbb6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
您最近一年使用:0次
2023-08-01更新
|
1011次组卷
|
3卷引用:上海市奉贤区致远高级中学2022-2023学年高一下学期期末数学试题
上海市奉贤区致远高级中学2022-2023学年高一下学期期末数学试题(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)专题05 空间直线与平面-《期末真题分类汇编》(上海专用)