名校
解题方法
1 . 四棱锥
中,
平面ABCD,底面ABCD是正方形,
,点E是棱PC上一点.
平面BDE;
(2)当E为PC中点时,求
所成二面角锐角的大小.
![](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/f83a04565a8ebaa111894b724b0ba266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
(2)当E为PC中点时,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/445b51117626fbd3373e32acc514c64b.png)
您最近一年使用:0次
名校
2 . 如图,在四棱锥
中,平面
平面
,
,
且
,
,
,
,
,
为
的中点.
平面
;
(2)求平面
与平面
所成锐二面角的余弦值;
(3)在线段
上是否存在一点
,使得直线
与平面
所成角的正弦值为
,若存在,求出
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbb05b8b630052ff544249ebd72d95d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1ac2e11788860424508ea9e80cf89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc532cfe64300cb3da9e04a307c957a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/250833a6c405ffd724b673b478c22919.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(3)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585a36dc7fe184aa99338bb2ecf1b7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/874470622cffc5704671f9bf700ace38.png)
您最近一年使用:0次
2024-04-29更新
|
611次组卷
|
5卷引用:黑龙江省大庆市大庆中学2024届高三下学期5月期中数学试题
黑龙江省大庆市大庆中学2024届高三下学期5月期中数学试题江苏省盐城市五校联盟2023-2024学年高二下学期4月期中考试数学试题(已下线)专题02 空间向量与立体几何--高二期末考点大串讲(苏教版2019选择性必修第二册)(已下线)专题01 空间向量与立体几何解答题必考题型(6类题型)-备战2023-2024学年高二数学下学期期末真题分类汇编(江苏专用)(已下线)专题02 空间向量与立体几何--高二期末考点大串讲(苏教版2019选择性必修第二册)
11-12高二上·浙江台州·期中
名校
3 . 如图,在梯形
中,
,
,
,四边形
为矩形,平面
平面
,
.
平面
;
(2)设点
在线段
上运动,平面
与平面
的夹角为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1c0ee0aca57a218e5612835ab49ee2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bbc56d42b003cbcb1fbe5c50e55b26b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c0db1f4f666a9be9ede868065a50997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3362a45b72536c714c5107b0ae94f1c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bbc56d42b003cbcb1fbe5c50e55b26b.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf2f0df53aa68c9c334165034788166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2db1674add0f4a1a24f5ed893b1c5d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
您最近一年使用:0次
2024-03-03更新
|
254次组卷
|
35卷引用:黑龙江省佳木斯市第十二中学(佳木斯市建三江第一中学)2022-2023学年高二上学期期中数学试题
黑龙江省佳木斯市第十二中学(佳木斯市建三江第一中学)2022-2023学年高二上学期期中数学试题(已下线)2011-2012年浙江省台州中学高二第一学期期中考试理科数学(已下线)2015届浙江省嘉兴市第一中学高三上学期期中考试理科数学试卷江西省南昌市第二中学2016-2017学年高二下学期期中考试数学(理)试题【全国校级联考】江西省南昌市八一中学、桑海中学、麻丘高中等八校2017-2018学年高二下学期期中考试数学(理)试题【全国百强校】黑龙江省哈尔滨市第六中学2018届高三下学期考前押题卷(二)数学(理)试题河北省武邑中学2018-2019学年高三下学期期中数学(理)试题黑龙江省哈尔滨市第九中学校2022-2023学年高二10月月考数学试题(已下线)2012届河北省衡水中学高三上学期期末考试理科数学(已下线)2012届山东省烟台市高三下学期3月诊断性测试理科数学2015届山东省日照市高三12月校际联合检测理科数学试卷2016届山东省日照市一中高三上学期期末考试理科数学试卷2017届湖南长沙长郡中学高三入学考试数学(理)试卷2017届湖北襄阳五中高三上学期开学考数学(理)试卷2017届浙江名校协作体高三上学期联考数学试卷2017届山东寿光现代中学高三实验班10月月考数学(理)试卷四川省乐山市2017-2018学年高二上学期期末教学质量检测数学理试题山西大学附属中学2017-2018学年高二3月月考数学(理)试题【全国百强校】福建师范大学附属中学2018-2019学年高二上学期期末考试数学(理)试题【市级联考】江西省宜春市 2019 届高三4月模拟考试数学(理科)试题【全国百强校】湖北省华中师范大学第一附属中学2019届高三月考(六)数学(理科)试题智能测评与辅导[理]-空间几何体的三视图、表面积、体积湖南省永州市道县、东安、江华、蓝山、宁远2019-2020学年高三12月联考数学理试题湖南省五市十校2019-2020学年高三上学期第二次联考数学(理)试题湖南师范大学附属中学2018-2019学年高三下学期第六次月考数学(理)试题2020届辽宁省大连市第二十四中学高三4月模拟考试数学(理)试题辽宁省沈阳市东北育才学校2021-2022学年高二上学期第一次月考数学试题辽宁省葫芦岛市兴城市高级中学2022-2023学年高二上学期期末数学试题吉林省长春市第二中学2023-2024学年高二上学期第一次学程考试数学试题(已下线)第一章 空间向量与立体几何(压轴必刷30题4种题型专项训练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)(已下线)专题01 空间向量与立体几何(3)四川省宜宾市叙州区第二中学校2023-2024学年高二上学期期末模拟考试数学试题辽宁新高考联盟(点石联考)2023-2024学年高二下学期3月联合考试数学试题广西南宁市第二中学2023-2024学年高三下学期5月月考数学试题江苏省南京市第五高级中学2023-2024学年高二下学期5月阶段性质量监测数学试卷
解题方法
4 . 如图,直三棱柱
内接于高为
的圆柱中,已知
,
,
,
为
的中点.
(1)求圆柱的表面积;
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f2185273bf04c11118c7954f7ec822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27557ad8d2618454755309fad45cb69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a67d8576417f761dd5f583ad3a1555a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1799f2f26ed09738aa08fdf64ca86242.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/8/36cbeb32-9138-4bd2-ab2b-e20bea99e058.png?resizew=141)
(1)求圆柱的表面积;
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb2af3f9181e6fcce86c71aee45c9e1.png)
您最近一年使用:0次
5 . 如图,已知四棱锥
的底面
是菱形,平面
平面
,
,
为
的中点,点
在
上,
.
平面
;
(2)若
,且
与平面
所成的角为45°,求二面角
的余弦值.
![](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/78a3fd5284e160896f07ce367645fd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab5c45a72849d2cae1d65b282b5bd19.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6ecff2da7c8f26cd673f0278351493c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2597b5554284e275367c25529c6750f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c0bfeadcf17b2a45896071f07a4a5a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27dd7473bc61f631d788b152b16363f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770d42343599d3f26f0e0de8d5849f52.png)
您最近一年使用:0次
2023-12-04更新
|
337次组卷
|
2卷引用:黑龙江省双鸭山市第三十一中学2024届高三上学期期中数学试题
名校
解题方法
6 . 如图,
平面
,
,
,
,
,
.
(1)求直线
与平面
所成角的正弦值;
(2)若二面角
的余弦值为
,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4c3f9dd5d0343597a7f58a1989b537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e952f7b05d06917128bfecb64fe3cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27db558e8db4c957654c8e5cecd2d2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2e1bc36d99480493977801b166720d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/1/da313e04-f90e-4b78-8ba5-985a10d39ddf.png?resizew=150)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
(2)若二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147310251a463539f66374c1f452fb67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f1dd362f843e640ce551ad1787c9873.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
您最近一年使用:0次
名校
7 . 如图,四棱锥
的底面是矩形,
,
,M为
的中点,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/32381c57-0d50-4580-9d41-43705c2f71e1.png?resizew=152)
(1)证明:
底面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)若
,求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0efbdc4cbc82cc55bed9905f81fbfc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11fa64045f67d555833032b531695929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a88c44f558705de3bcefcfc0ece96b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e2a44d05b1d387150c4b359e021ffc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/32381c57-0d50-4580-9d41-43705c2f71e1.png?resizew=152)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bec03e804f0cea1db5cde2aa185056a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75d98ad030dcb6671c64a24e96d916c8.png)
您最近一年使用:0次
2023-11-30更新
|
464次组卷
|
2卷引用:黑龙江省哈尔滨市哈师大附中2024届高三上学期期中数学试题
名校
解题方法
8 . 如图,在长方体
中,
,
,
为棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/ff82460b-708e-4838-b6ff-29628e550e4e.png?resizew=124)
(1)证明:
平面
;
(2)求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829018a6ca0aff95d89e3f7cd943274e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41fd676c41d2d644928f014b0fea4689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/ff82460b-708e-4838-b6ff-29628e550e4e.png?resizew=124)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662698361c6b3ddaf0c28a3c87be53e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02c4f474f2c144be8703517ef72b98a7.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a814b70236a108be5d6e7ff271fe92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/590d2b3c62a9c24be67a0bc8a8f6c057.png)
您最近一年使用:0次
9 . 如图,在四棱锥
中,
平面
,底面
是直角梯形,
,
,且
,
,
,
,
为
的中点,
为
上一点.
(1)若
为
中点,求证:
平面
;
(2)线段
上是否存在一点
,使得直线
与平面
所成角的正弦值为
,若存在,求出
的值;若不存在,说明理由.
![](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/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1ac2e11788860424508ea9e80cf89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc532cfe64300cb3da9e04a307c957a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/706349cb-41a1-42e5-a501-8b6170747ab2.png?resizew=174)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcf19a7f0dd0cdf59516ae585025110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4977ead188a981366d7487cca3532da0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241a37fb1eff68a7133822b1b52d627e.png)
您最近一年使用:0次
10 . 如图,多面体
中,四边形
为菱形,
平面
,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/2bae08d9-2256-4a19-b54a-aa7f52cdfdb5.png?resizew=175)
(1)若
是
的中点,证明:平面
平面
;
(2)求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7a38e6c6dfde2b19b6b47f35a439a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7966b3ed0ac46ad305777a9ff81bf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff228d6898eb8ec4c0e22ee3fe3b01ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e4280be91682e5d8a0d0704190319bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/2bae08d9-2256-4a19-b54a-aa7f52cdfdb5.png?resizew=175)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f17f0812fd5e424c6e61757b337270e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a34e44c5d7e1d22521fb293994f5b0.png)
您最近一年使用:0次
2023-11-28更新
|
151次组卷
|
4卷引用:黑龙江省龙东五地市2023-2024学年高三上学期期中联考数学试题