名校
解题方法
1 . 如图,在矩形
中,
,
,点
,
分别为
,
的中点,将四边形
沿
翻折,使得平面
平面
,则异面直线
与
所成角的正弦值为( )
![](https://img.xkw.com/dksih/QBM/2021/1/27/2645297622016000/2647838461894656/STEM/793751fb-d2e8-469b-8423-5eaf6c3910b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b40d0d2f3cdd8981bb792ad87efb42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5a68a008a22d5a8cea5fe8dcf31e10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://img.xkw.com/dksih/QBM/2021/1/27/2645297622016000/2647838461894656/STEM/793751fb-d2e8-469b-8423-5eaf6c3910b6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6卷引用:安徽省皖北名校2020-2021学年高二上学期期末数学(理)试题
2 . 在正方体
中,M是棱
的中点.则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
A.异面直线![]() ![]() ![]() |
B.![]() |
C.直线![]() ![]() ![]() |
D.直线![]() ![]() |
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名校
解题方法
3 . 正方体
中,
分别是
中点,则直线
与
所成角的余弦值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499eb6839cbfad897b3c23508c5cddb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-01-23更新
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1044次组卷
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21卷引用:安徽省宿州市五校2017-2018学年高二第一学期期末联考数学(理科)试题
安徽省宿州市五校2017-2018学年高二第一学期期末联考数学(理科)试题安徽省淮南市2019-2020学年高二上学期期末数学(文)试题安徽省六安市第一中学2020-2021学年高二下学期开学考试数学(理)试题北师大版 全能练习 必修2 第一章 4 空间图形的基本关系与公理黑龙江省哈尔滨市第六中学2019-2020学年高三上学期第三次调研数学(文)试题重庆市第一中学校2019-2020学年高二上学期10月月考数学试题江西省宜春市上高二中2019-2020学年高二上学期第二次月考数学(文)试题湖南省株洲市世纪星高级中学2019-2020学年高一下学期入学考试数学试题吉林省辽源市田家炳高级中学等友好学校2019-2020学年高一下学期期末考试数学(理)试题江西省赣州市赣县区第三中学2020-2021学年高二上学期(零班,奥数班)九月月考数学(理科)试题甘肃省兰州市东方中学2020-2021学年第一学期高二年级期中文科考试试题甘肃省兰州市兰州东方中学2020-2021学年高二上学期期中数学理科试题吉林省吉化第一高级中学校2020-2021学年高二11月月考数学(理)试题四川省成都华西中学2019-2020学年高二下学期期中数学(文)试题吉林省吉林市吉化第一高级中学校2020-2021学年高二上学期期末数学(理)试题(已下线)2021年高考全国乙卷数学(理)高考真题变式题1-5题(已下线)2021年全国高考乙卷数学(文)试题变式题6-10题浙江省金华第一中学2021-2022学年高一领军班上学期12月联考数学试题陕西省渭南市咸林中学2021-2022学年高一上学期第三阶段质量检测数学试题(已下线)2021年高考全国乙卷数学(理)高考真题变式题1-5题内蒙古乌兰察布市集宁区第二中学2022届高三三模文科数学试题
名校
解题方法
4 . 在正四棱锥
中,
,直线
与平面
所成角为45°,E为
的中点,则异面直线
与
所成角的正弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b80ee363635d73f601654339028daec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 如图,在三棱柱
中,
,
,
底面
,则异面直线
与
所成角的余弦值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/7/4a5524aa-193c-4452-874e-a84f215946d1.png?resizew=111)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ff07ad0bf1241217558b357b84cfec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45224f7eac9d0cef64bf28d93e7721a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8bfe2553e852df73185d017c0a62fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/7/4a5524aa-193c-4452-874e-a84f215946d1.png?resizew=111)
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4卷引用:安徽省合肥市六校联盟2020-2021学年高二上学期期末联考理科数学试题
安徽省合肥市六校联盟2020-2021学年高二上学期期末联考理科数学试题(已下线)第二章+点、直线、平面之间的位置关系(能力提升)-2020-2021学年高一数学单元测试定心卷(人教版必修2)(已下线)8.6空间直线、平面的垂直(2)(精炼)-2020-2021学年高一数学一隅三反系列(人教A版2019必修第二册)重庆市璧山来凤中学校2023届高三上学期10月月考数学(春招班)试题
6 . 如图,在三棱柱
中,底面为正三角形,侧棱垂直于底面,
,
.若E是棱
上的点,且
,则异面直线
与
所成角的余弦值为( )
![](https://img.xkw.com/dksih/QBM/2021/1/2/2627040343883776/2629805894098944/STEM/99a5281793a541399f958ceb9c92369e.png?resizew=153)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d0fdc5a00ca0e857b89a7e1420df29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78dad90976744e086e8bc69c4a0cbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce1b066f8869d0ff4513f7a99745125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://img.xkw.com/dksih/QBM/2021/1/2/2627040343883776/2629805894098944/STEM/99a5281793a541399f958ceb9c92369e.png?resizew=153)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
7 . 已知在底面为菱形的直四棱柱
中,
,若
,则异面直线
与
所成的角为( )
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629766680559616/2629807345893376/STEM/588e4845-e55d-406d-ad76-d2c1f5e5722d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24638c3526907f8370af25ad77b3efe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a46dc0bb5d8fa33583817e530a5d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629766680559616/2629807345893376/STEM/588e4845-e55d-406d-ad76-d2c1f5e5722d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8卷引用:安徽省池州市第一中学2019-2020学年高二上学期期中教学质量检测数学试题
安徽省池州市第一中学2019-2020学年高二上学期期中教学质量检测数学试题【衡水金卷压轴卷】2018年普通高等学校招生全国统一考试模拟试题文科数学(二)试题【校级联考】山西省吕梁市泰化中学2018-2019学年高二上学期第一次月考数学试卷(已下线)专题8.3 空间点、直线、平面之间的位置关系(练)-浙江版《2020年高考一轮复习讲练测》(已下线)专题8.3 空间点、直线、平面之间的位置关系(精练)-2021年新高考数学一轮复习学与练(已下线)专题8.3 空间点、直线、平面之间的位置关系(练)-2021年新高考数学一轮复习讲练测(已下线)【新东方】绍兴qw113(已下线)8.6空间直线、平面的垂直(2)(精炼)-2020-2021学年高一数学一隅三反系列(人教A版2019必修第二册)
8 . 如图,在正方体
中,E为
中点,则
与
所成角的余弦值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/74b89f9b-99a6-4047-a025-6803e35f1fa9.png?resizew=148)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3da8c338342e38c9aa3f274c053fd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ecac2dad4cffdd971fd23deacff3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a21897349d3d7c94419692106887153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/74b89f9b-99a6-4047-a025-6803e35f1fa9.png?resizew=148)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 如图,
,
,
,
,
是球
上5个点,
为正方形,球心
在平面
内,
,
,则
与
所成角的余弦值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/22/81cdbf61-6d90-43ca-9a5a-d788de8e3486.png?resizew=175)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d0710321d97361e5782124bbf7f0c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eebf9c5fa220910160a9c770ee80a68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/22/81cdbf61-6d90-43ca-9a5a-d788de8e3486.png?resizew=175)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2020-12-14更新
|
428次组卷
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5卷引用:安徽省池州市东至县2020-2021学年高三上学期12月大联考数学(理)试题
10 . 如图,正方体
中,
为
中点,则
与
所成角的余弦值为( )
![](https://img.xkw.com/dksih/QBM/2020/12/11/2611897931399168/2613941717598208/STEM/a96aff7b3a994ded8d23aceb0fe0c6c6.png?resizew=227)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/2020/12/11/2611897931399168/2613941717598208/STEM/a96aff7b3a994ded8d23aceb0fe0c6c6.png?resizew=227)
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|
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4卷引用:安徽省池州市东至县2020-2021学年高三上学期12月大联考数学(文)试题
安徽省池州市东至县2020-2021学年高三上学期12月大联考数学(文)试题安徽省全省名校实验班2020-2021学年高三上学期大联考文科数学试题甘肃省武威第六中学2020-2021学年高三下学期第五次诊断考试数学(文)试题(已下线)专题13.2 本图形位置关系(基础练)-2020-2021学年高一数学十分钟同步课堂专练(苏教版2019必修第二册)