解题方法
1 . 在三棱锥
中,
平面
,
,
,
,
为线段
上的动点.若
与底面
所成角为
,则
与底面
所成角的正切值的最大值为( )
![](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/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
2 . 如图,
中
,点D在BC上,
,将
沿AD旋转得到三棱锥
,分别记
,
与平面ADC所成角为
,
,则
,
的大小关系是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/b0f416d7-ed63-4e50-8244-bbf542106dfb.png?resizew=394)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8d5549e2946f95a448d1e1bc3949ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e4dbea6a5faecdd8f6c06cf9fd43a90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47793cc9bcec518f83a2a6311b517a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd77faaa1eaf374b6b23c6f9a4ac3b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab41cce6eb2d3058a644314865d16548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/b0f416d7-ed63-4e50-8244-bbf542106dfb.png?resizew=394)
A.![]() | B.![]() |
C.![]() ![]() | D.存在某一位置使得![]() |
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3 . 如图,在正方体
中,棱
的中点为
,若光线从点
出发,依次经三个侧面
,
,
反射后,落到侧面
(不包括边界),则入射光线
与侧面
所成角的正切值的范围是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/91a47154-c872-4acc-86fd-d533331f754a.png?resizew=139)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/91a47154-c872-4acc-86fd-d533331f754a.png?resizew=139)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-04-20更新
|
382次组卷
|
3卷引用:浙江省温州市乐清乐成寄宿中学2017-2018学年高三上学期期中数学试题
名校
解题方法
4 . 已知正方体
中,点E在棱
上运动,点F在对角线
上运动,设直线
与平面
所成的角为
,直线
与平面
所成的角为
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/4b4faa44-4c21-4d16-91ba-b33ac1c05d03.png?resizew=214)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc78a86b12ba0b4553135a3a635fc418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/4b4faa44-4c21-4d16-91ba-b33ac1c05d03.png?resizew=214)
A.![]() | B.![]() |
C.存在直线![]() ![]() | D.存在直线![]() ![]() |
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5 . 如图正四棱锥
,
为线段
上的一个动点,记二面角
为
,
与平面
所成的角为
,
与
所成的角为
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/71cc8716-36e3-4abc-b514-6f7979becb0c.png?resizew=157)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/71cc8716-36e3-4abc-b514-6f7979becb0c.png?resizew=157)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 如图示,三棱锥
的底面
是等腰直角三角形,
,且
,
,则
与面
所成角的正弦值等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/334d7ccc-93b3-4352-b9a2-e48e30555840.png?resizew=158)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/334d7ccc-93b3-4352-b9a2-e48e30555840.png?resizew=158)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-04-16更新
|
781次组卷
|
3卷引用:2020届四川省成都七中高三二诊数学模拟(理科)试题
2020届四川省成都七中高三二诊数学模拟(理科)试题四川省泸州市泸州老窖天府中学高2023届高三上学期第四次模拟考试数学理科试题(已下线)第八章立体几何初步章末题型大总结(精讲)(2)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)
名校
解题方法
7 . 如图,四棱锥
中,
平面
,
,
,
,
,
,M是BC中点,N是线段SA上的点,设MN与平面SAD所成角为
,则
的最大值为( )
![](https://img.xkw.com/dksih/QBM/2020/4/13/2440832867532800/2442064795099136/STEM/5ba0ef99cf3b4b7499cb210db6926252.png?resizew=177)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fb2e071d4e01107dcf7d95cbb86b415.png)
![](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/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1a260579533cbf20b8fcff1cd6e736e.png)
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![](https://img.xkw.com/dksih/QBM/2020/4/13/2440832867532800/2442064795099136/STEM/5ba0ef99cf3b4b7499cb210db6926252.png?resizew=177)
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2020-04-15更新
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384次组卷
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5卷引用:广西玉林市2019-2020学年高三第一次适应性考试数学(理)试题
广西玉林市2019-2020学年高三第一次适应性考试数学(理)试题广西南宁市2019-2020学年高三第一次适应性测试数学(理)试题(已下线)专题08向量方法解决角和距离(测)(理科)第一篇 热点、难点突破篇-《2022年高考理科数学二轮复习讲练测》(全国课标版)四川省泸州市泸县第五中学2022届高三下学期高考适应性考试数学(理)试题福建省龙岩市上杭县第二中学2021-2022学年高二3月月考数学试题
解题方法
8 . 如图,矩形
中,
,
,
为
的中点,
沿着
向上翻折,使点
到
.若
在平面
上的投影
落在梯形
内部(不含边界),设二面角
的大小为
,直线
,
与平面
所成角分别为
,
,则( )
![](https://img.xkw.com/dksih/QBM/2020/4/14/2440882175598592/2441210695557120/STEM/7833c3a8-606b-42f6-add4-a9a13c9c663e.png?resizew=461)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f460edcced5597615113c0fdc95b1dfc.png)
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![](https://img.xkw.com/dksih/QBM/2020/4/14/2440882175598592/2441210695557120/STEM/7833c3a8-606b-42f6-add4-a9a13c9c663e.png?resizew=461)
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9 . 在《九章算术》中,将四个面都是直角三角形的四面体称为鳖臑.如图,在鳖臑
中,
平面
,且
,则直线
与平面
所成角的正切值是( )
![](https://img.xkw.com/dksih/QBM/2020/4/10/2438659280478208/2438712440676352/STEM/4977bec2-bdbb-4bbc-bc40-ad1c797040d0.png?resizew=191)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
![](https://img.xkw.com/dksih/QBM/2020/4/10/2438659280478208/2438712440676352/STEM/4977bec2-bdbb-4bbc-bc40-ad1c797040d0.png?resizew=191)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-04-10更新
|
341次组卷
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3卷引用:2020届湘赣皖十五校高三下学期第一次联考模拟数学(文)试题
2020届湘赣皖十五校高三下学期第一次联考模拟数学(文)试题(已下线)【新教材精创】11.4.1直线与平面垂直(第2课时)练习(2)安徽省阜阳市临泉第一中学(高铁分校)2022-2023学年高一下学期第三次月考数学试卷