名校
1 . 如图,在四棱锥
中,四边形
为直角梯形,
,
,平面
平面
,
,点
是
的中点.
.
(2)点
是
的中点,
,当直线
与平面
所成角的正弦值为
时,求四棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c6caa0455442437177ab9b995df37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3402ea855e2ae2dcd98f607bef4fdd6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af620f6d204d310d8e3f267fdd6c3f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb11df029afb11e4233989b1338cb3a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fadb231dad32489d5e543d4b71ac3e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9f84a3289f4a973d7ad823e35c0841.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53330c107f8245290a5a42c3d356acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bacde79b2d53b9a47b73c4376b1032e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee188333e1fa99417aede565c6a4a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924d32b574fe69e43724304cf39513e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c6caa0455442437177ab9b995df37b.png)
您最近一年使用:0次
2024-03-14更新
|
1150次组卷
|
4卷引用:河北省正定中学2023-2024学年高二下学期第一次月考数学试题
河北省正定中学2023-2024学年高二下学期第一次月考数学试题浙江省强基联盟2024届高三下学期3月联考数学试题江西省宜春市樟树中学2024届高三下学期高考数学仿真模拟试卷(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)
名校
2 . 如图,已知在四棱锥
中,
平面
,点
在棱
上,且
,底面为直角梯形,
,
分别是
的中点.
平面
;
(2)求直线
与平面
所成角的正弦值.
![](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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f9d7c0897decece12409432fc1191a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2651ebf7e1d8f609b4e1aff4b39e2d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2c720fea83cb07bc3655b9597708ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a211a44ffb09c7413dac58e9cea70fd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e287fea8870402cd485337c6e6d2eb3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b60870baa5e3fbc33a749aa5f0a94be.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/101d5eb54d3f629a378bfd5324f554dd.png)
您最近一年使用:0次
2023-09-20更新
|
938次组卷
|
7卷引用:河北省沧州市沧县中学2023-2024学年高二上学期9月月考数学试题
23-24高三上·河北保定·阶段练习
名校
3 . 如图,在四棱柱
中,底面
是菱形,
,
,
.
(1)证明:
平面
;
(2)若
,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/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35909b72f6e48a33ae9abb1d63ff91aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a56968a985f7698e4348e3b1167f107.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/19/7f0aa5e4-ce02-4ff5-ad09-4f18e8f3d19a.png?resizew=181)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5928c98b341b16d4b5a5b931d2929d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc1c04946340198af69170d4ebd4b42.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fe05d7d572b80efb0c973de089e48e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e53b212640dadf751ef7f65a78a209.png)
您最近一年使用:0次
2023-10-31更新
|
386次组卷
|
3卷引用:河北省保定市易县中学2023-2024学年2023年高三上学期高三摸底考试10.31
(已下线)河北省保定市易县中学2023-2024学年2023年高三上学期高三摸底考试10.31河北省沧州市泊头市第一中学2024届高三上学期模拟(三)(11月)数学试题河北省保定市2024届高三上学期10月摸底数学试题
名校
4 . 对于定义在
上的函数
和
,若对任意给定的
,不等式
都成立,则称函数
是函数
的“从属函数”.
(1)若函数
是函数
的“从属函数”,且
是偶函数,求证:
是偶函数;
(2)设
,求证:当
时,函数
是函数
的“从属函数”;
(3)若定义在
上的函数
和
的图像均为一条连续曲线,且函数
是函数
的“从属函数”,求证:“函数
在
上是严格增函数或严格减函数”是“函数
在
上是严格增函数或严格减函数”的必要非充分条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b60c23824b5013819120c3ee26d0b52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ec6c7a1da7ecaef51a3d08fbcdf2821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f02d899093d01d2e45a1a0b2402560c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(3)若定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
您最近一年使用:0次
2023-10-26更新
|
280次组卷
|
2卷引用:河北省沧州市运东五校2023-2024学年高二下学期5月月考数学试题
名校
5 . 如图,四棱锥
中,底面
是矩形,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/040e9166-c464-4e44-ba32-f32662ddc7f3.png?resizew=181)
(1)求证:
平面
;
(2)若
,在线段
上是否存在点
,使平面
与平面
夹角的余弦值为
?若存在,找出点
的位置;若不存在,请说明理由.
![](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/52150a3d17c74c449e305b52d8d53b9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab2c27eac56fffa4cd7dbe1dcdf1a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/040e9166-c464-4e44-ba32-f32662ddc7f3.png?resizew=181)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37750daa8ba3b3fe3e9e2092f81c848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64f1145c162038df3c7184d9201c628e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
您最近一年使用:0次
2023-12-13更新
|
103次组卷
|
2卷引用:河北省张家口市张垣联盟2023-2024学年高二上学期12月阶段测试数学试题
名校
6 . 如图,在五面体
中,四边形
为矩形,平面
平面
,且
,正三角形
的边长为2.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
平面
.
(2)若
,且直线
与平面
所成角的正弦值为
,求
的值.
![](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/4d28c625d7ac6878957facc8274d459c.png)
![](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/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](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/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c9454266f8344e3869c18ec0a4151a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09d9d486b7f91ba933210dd013a7f2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3aace91caec728e174daec29a3568ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
您最近一年使用:0次
2023-12-19更新
|
394次组卷
|
10卷引用:河北省保定市部分高中2024届高三上学期12月联考数学试题
河北省保定市部分高中2024届高三上学期12月联考数学试题河北省保定市部分高中2024届高三上学期12月期中联考数学试题贵州省2023-2024学年高二上学期12月月考数学试题山东省多校2023-2024学年高二上学期12月联合质量检测数学试题山东省多校2023-2024学年高二上学期12月联合质量检测数学试题山东省省级联考2023-2024学年高二上学期12月月考数学试题四川省雅安市2023-2024学年高二上学期12月联考数学试题四川省部分名校2023-2024学年高二上学期期中联合质量检测数学试题(已下线)专题13 空间向量的应用10种常见考法归类(2)(已下线)2024届新高考数学信息卷6
7 . 如图,在四棱锥
中,
平面
,
,点
是
的中点.
(1)证明:
;
(2)求直线
与平面
所成的角的正弦值.
![](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/8792b5a87a7d42f11b6abd22e62fb74e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/15/240b1467-91e6-48b8-bf8a-5f4760f42ea0.png?resizew=200)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90bc7e7906b002e1150680f6a67c30f4.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68a7bf0da4f7c6f739d2e2461ad9b7.png)
您最近一年使用:0次
名校
8 . 如图,在三棱锥中,
,
,
分别为
,
的中点,
.
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f405ee31b17b3cdccee05fd06f6562.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03709303b4ca3bfa1aa174d9ce2e683e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4193a34cda561b6404996e8050d404af.png)
您最近一年使用:0次
2023-09-09更新
|
1384次组卷
|
5卷引用:河北省唐县第一中学2023-2024学年高二上学期第一次考试(9月)数学试题
河北省唐县第一中学2023-2024学年高二上学期第一次考试(9月)数学试题江西省南昌市2024届高三上学期摸底测试数学试题广东省广州市第十六中学2024届高三上学期教学质量检测(一)数学试题河南省信阳市固始县高级中学第一中学2023-2024学年高二上学期第一次月考数学试题(已下线)通关练06 空间向量与立体几何章末检测(一)- 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教A版2019选择性必修第一册)
9 . 如图,在三棱柱
中,四边形
为正方形,四边形
为菱形,且
,平面
平面
,M为棱
的中点.
(1)求证:
;
(2)棱
(除两端点外)上是否存在点N,使得平面
与平面
夹角的余弦值为
?若存在,请求出点N的位置;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d04812fd787f9677100063fcdbd3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f034c3549d4b4854c127326d70da08e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4fdab2e82a6c97a9f7d3692adab5a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/19/b5bbbe08-60e6-4cf2-a774-a11f2fbb4d27.png?resizew=165)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2356990631d0dd785ff78da06940bf8b.png)
(2)棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2137bd5707a3c613ed664b748ed528d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52191aebf3d65b3ef9a1937cfc9f5f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a28767f73996905e0daf4f6bbd5b0a6a.png)
您最近一年使用:0次
2023-10-18更新
|
469次组卷
|
2卷引用:河北省2023-2024学年高二上学期10月月考数学试题
名校
解题方法
10 . 如图,在四棱锥
中,
为正三角形,底面
为直角梯形,
,
,
,
,
.
(1)求证:平面
平面
;
(2)棱
上是否存在点M,使得二面角
的大小为
,若存在,求出
的长;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25eb757d05fbff80d50c3bb8dbcb8657.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18120a244d3a1f9c1688bf53eb2ad775.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff0a0c299356c26338d4153748e8a61d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/4/2d04226f-2101-42be-aaf8-cd4f75eacc4f.png?resizew=144)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96fe44cb45b52ade75574ed31d05fb26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
您最近一年使用:0次
2023-10-17更新
|
1371次组卷
|
3卷引用:河北省沧州市联考2024届高三上学期10月月考数学试题