1 . 如图,在长方体
中,
,点
为
的中点.
与平面
所成的角;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0fc166a6287ed378b99177440e21424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbc7e774e4ae40c23bf4ceed179230ca.png)
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解题方法
2 . 直角
的斜边
在平面
内.AC、BC与
所成角分别为30°、45°,CD是斜边AB上的高,求CD与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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3 . 在长方体
中,
,
,
是
中点,求:
与平面
所成的角;
(2)
与平面
所成的角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37750daa8ba3b3fe3e9e2092f81c848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f3e58edd1f900ca82bb2a3058293f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19ef601ca1f9c4c031adab4ffed297f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19ef601ca1f9c4c031adab4ffed297f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
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名校
解题方法
4 . 直三棱柱
中,平面
平面
,且
,则
与平面
所成的角
的取值范围是__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a9ad711b25c36dae0c2a2cedff9954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21dee56b9f36ba8f76fe67b76383636b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c89c9e546f4f72ef28b1c810043d9c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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2023-02-03更新
|
206次组卷
|
3卷引用:第10章 空间直线与平面 单元综合检测(难点)-2023-2024学年高二数学同步精品课堂(沪教版2020必修第三册)
第10章 空间直线与平面 单元综合检测(难点)-2023-2024学年高二数学同步精品课堂(沪教版2020必修第三册)上海外国语大学附属外国语学校2021-2022学年高二上学期期中数学试题(已下线)第10章 空间直线与平面(知识归纳+题型突破)-2023-2024学年高二数学单元速记·巧练(沪教版2020必修第三册)
名校
5 . 如图,在
中,
,斜边
,
可以通过
以直线
为轴旋转得到,且二面角
是直二面角,动点
在斜边
上.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/be55e3c4-3e4e-4c0f-9170-dec3de3cc7f7.png?resizew=116)
(1)求证:平面
平面
;
(2)当
为
的中点时,求异面直线
与
所成角的余弦值;
(3)求
与平面
所成的角中最大角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c633830c6e2ac6d8d6e18890ef5ee33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b10a7cfa7063078668323401b0084cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/864aa0f490f42c358d1550c99bd81c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c633830c6e2ac6d8d6e18890ef5ee33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a19c1bcb8431ae315ecd29c6478d3eff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/be55e3c4-3e4e-4c0f-9170-dec3de3cc7f7.png?resizew=116)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a55c40bb7437081d8e669974c8d1b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
您最近一年使用:0次
6 . 如图,底面ABC为正三角形,EA⊥平面ABC,DC⊥平面ABC,EA=AB=2DC=2a,设F为EB的中点.
平面ABC;
(2)求直线AD与平面AEB所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f687c40c3b65923237e3a96ea593e65a.png)
(2)求直线AD与平面AEB所成角的大小.
您最近一年使用:0次
名校
解题方法
7 . 如图,有一个直径AB等于2的半圆,过点A作这个半圆所在平面的垂线,在垂线上取一点S,使AS=AB,点C为半圆上的一个动点,点M、N分别为A在SB、SC上的射影.当三棱锥
的体积最大时,SC与平面ABC所成角的大小为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5d421ab9e6219769f5e5109e4cfe56.png)
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2023-01-31更新
|
155次组卷
|
2卷引用:沪教版(2020) 一轮复习 堂堂清 第八单元 8.3 直线与平面的位置关系
8 . 如图,在长方体
中,P,Q是长方形EFGH内互异的两点,
是二面角
的平面角.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/29/c34f45e9-0e68-486e-afca-ea6fc27ee0ef.png?resizew=151)
(1)证明:点P在EG上;
(2)若
,
,求直线AP与平面PBC所成角的正弦值的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a0c3a4e61b97fa9bc58f3179fc2958.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac3c1375c64dceef45846308a418cf7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a5225684c0477eab664d469cf9a0af.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/29/c34f45e9-0e68-486e-afca-ea6fc27ee0ef.png?resizew=151)
(1)证明:点P在EG上;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb96e0331eebe80ed1ff610faf531fe.png)
您最近一年使用:0次
名校
9 . 如图,多面体ABCDEF中,四边形ABCD为矩形,二面角
为
,
,
,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/24/f793754a-f7bc-411d-a5f2-896bd8427638.png?resizew=284)
(1)求证:
平面ADE;
(2)求直线AC与平面CDEF所成角的正弦值;
(3)求点F到平面ABCD的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41952e78731dc57a028a93672c9ec29c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5519c1efed9b34725446c2ee488ab3c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddbb52f9b226b1db3f6f9f055948bd38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40560ea08d6cd8c1d4d9661ee6faaa3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a19338598965bb3856cdd0236bbf694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4982bdbeb295651557a71800f567444.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/24/f793754a-f7bc-411d-a5f2-896bd8427638.png?resizew=284)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8ccd4181f956f6e0140bf0ab8f0716.png)
(2)求直线AC与平面CDEF所成角的正弦值;
(3)求点F到平面ABCD的距离.
您最近一年使用:0次
2023-01-19更新
|
3795次组卷
|
4卷引用:专题8.16 空间角大题专项训练(30道)-2022-2023学年高一数学举一反三系列(人教A版2019必修第二册)
(已下线)专题8.16 空间角大题专项训练(30道)-2022-2023学年高一数学举一反三系列(人教A版2019必修第二册)辽宁省辽南协作体2021-2022学年高二上学期期初校际联考数学试题第8章 立体几何初步 章末测试(基础)-2022-2023学年高一数学一隅三反系列(人教A版2019必修第二册)福建省龙岩市连城县第一中学2022-2023学年高一下学期5月月考数学试题
名校
解题方法
10 . 已知棱长为1的正方体
中,点
,
分别是棱
,
上的动点,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d5e3d8a07ac797c1d4c489f23209fe4.png)
.设
与
所成的角为
,与
所成的角为
,则
的最小值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.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/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d5e3d8a07ac797c1d4c489f23209fe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/641e46a81111e9a829bc7962b1a18e82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
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