名校
1 . 如图,在四棱锥
中,平面
平面
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/e17d9f5d-b9de-4052-a288-c1ec4859c9df.png?resizew=201)
(1)求证:
平面
;
(2)若直线
与底面
所成的角的正切值为
,求二面角
的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5799e67a7f6ef3e0e1ec46aa0ee4c0c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7856b06682c9058d76120982fdbc91c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/e17d9f5d-b9de-4052-a288-c1ec4859c9df.png?resizew=201)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f30533da2e1d2a958dc906c37eba9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
(2)若直线
![](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/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290a37874cd284fb1a8c864769ce50c9.png)
您最近一年使用:0次
2022-02-08更新
|
474次组卷
|
8卷引用:新疆维吾尔自治区伊宁市第三中学2024届高三下学期3月月考数学试题
新疆维吾尔自治区伊宁市第三中学2024届高三下学期3月月考数学试题湖北省郧阳中学,恩施高中,随州二中,襄阳三中,十堰一中2021届高三下学期4月联考数学试题(已下线)专题2.7 空间向量与立体几何-2021年高考数学解答题挑战满分专项训练(新高考地区专用)湖南省长沙市长郡中学2021-2022学年高二上学期期中数学试题安徽省亳州市第一中学2021-2022学年高二上学期11月教学检测数学试题辽宁省葫芦岛市四校2022-2023学年高二上学期期中联考数学试题福建省泉州市泉港区第一中学、厦门外国语学校石狮分校2023-2024学年高二上学期期中联考数学试题湖南省长沙外国语学校2023-2024学年高二下学期3月月考数学试题
名校
解题方法
2 . 已知抛物线
上的点
与焦点
的距离为9,点
到
轴的距离为
.
(1)求抛物线
的方程.
(2)经过点
的直线与抛物线
交于
两点,
为直线
上任意一点,证明:直线
的斜率成等差数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647da112824baed1f2bbfff103b748e8.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69609f8e3507a61acc52be28597d2cc3.png)
您最近一年使用:0次
2022-05-25更新
|
2466次组卷
|
9卷引用:新疆博乐市高级中学2021-2022学年高三下学期数学联考试题(文)
名校
3 . 如图在四面体
中,
是
的中点,
是
的中点,点
在线段
上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/14a42585-9ef3-42b8-a414-086597673535.png?resizew=128)
(1)求证:
平面
;
(2)若
,
平面
,且
,求证:
①面
平面
;
②求直线
与平面
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276e3c9755dbd39fb01de614840d230f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/14a42585-9ef3-42b8-a414-086597673535.png?resizew=128)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1a378a3a4660eb1ece52085a9b44d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd6a2b112facda441f4e34bf5c145fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d342cbee09a0cbf04ab7bdccd718b15e.png)
①面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec9d78d523614109d391aaa899261806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
②求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
名校
解题方法
4 . 如图,在多面体
中,
为正方形,
平面
,
,
.
![](https://img.xkw.com/dksih/QBM/2022/1/14/2894203289747456/2895176848891904/STEM/54939ee7-0352-4531-94f2-2104ea035dd9.png?resizew=196)
(1)求证:
;
(2)求直线
与平面
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019c0405370c673e37b46c066eba839.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1100a56e918f75ed6d955a802050f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7a63258b68e472bedca08381d47630.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0346a3f335e7734772d32d9903f2cc.png)
![](https://img.xkw.com/dksih/QBM/2022/1/14/2894203289747456/2895176848891904/STEM/54939ee7-0352-4531-94f2-2104ea035dd9.png?resizew=196)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2187a6bf82f1d5e534274e12f96594be.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00d4825584cf2a3f381de72c179e22.png)
您最近一年使用:0次
2022-01-15更新
|
418次组卷
|
5卷引用:新疆乌苏市第一中学2022-2023学年高二上学期线上第二次月考数学试题
名校
5 . 如图所示等腰梯形ABCD中,
,
,
,点E为CD的中点,沿AE将
折起,使得点D到达F位置.
(1)当
时,求证:
平面AFC;
(2)当
时,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21da760ad4567cbf991f70dca72f60d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e918b70b02a73685e3c536c7f380e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b43490ca09467a4c8cd8cfe91c94e4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/11/942c33e5-e90c-49e5-bb84-78b69f1aad54.png?resizew=190)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2f0d6b7c46fd8152fc6f7bfc70ae54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662698361c6b3ddaf0c28a3c87be53e0.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246403a89c5e6795ef2ac6eb19928ced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea81cfad5da39884e84d257149d7f96.png)
您最近一年使用:0次
2022-01-25更新
|
418次组卷
|
3卷引用:新疆维吾尔自治区喀什地区喀什第六中学2023届高三上学期高考实用性(三)理科数学试题
名校
解题方法
6 . 如图,在四棱台
中,底面为矩形,平面
⊥平面
,且
.
![](https://img.xkw.com/dksih/QBM/2021/12/27/2881490546802688/2886003972800512/STEM/0638c9bd-01e4-4fe8-87b4-2c1dc72ebd50.png?resizew=303)
(1)证明:
面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04a2a39a060fb67b2c247c7db0a46d0.png)
(2)若
与平面
所成角为
,求锐二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd694ad3a4733c7c84aaa7946aeea4de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df8f540e06a3966c41a30ffa7458c018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8bc85055ac8f46caaf5d0101f10a50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29dc9d7935459879a7fa8550a47c094d.png)
![](https://img.xkw.com/dksih/QBM/2021/12/27/2881490546802688/2886003972800512/STEM/0638c9bd-01e4-4fe8-87b4-2c1dc72ebd50.png?resizew=303)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe4a49df7b0ed2729bdec1bca6a94f57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04a2a39a060fb67b2c247c7db0a46d0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b771a919a059334671b00c678ce0f38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04a2a39a060fb67b2c247c7db0a46d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7490e209d2f6154451d3ebbe66a60297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0c00dc884490378da0c44528253584f.png)
您最近一年使用:0次
2022-01-02更新
|
681次组卷
|
3卷引用:新疆维吾尔自治区乌鲁木齐市实验学校2024届高三上学期1月月考数学试题
解题方法
7 . 已知椭圆
的左、右顶点分别为
,右焦点为F(1,0),且椭圆C的离心率为
,M,N为椭圆C上任意两点,点P的坐标为(4,t)(t≠0),且满足
.
(1)求椭圆C的方程;
(2)证明:M,F,N三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae13b2a96f91ab64fb4948de2b0ae10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00c7f364b84038315d082ab6248467c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc35318e1b57d3dc9363573b5708916d.png)
(1)求椭圆C的方程;
(2)证明:M,F,N三点共线.
您最近一年使用:0次
名校
8 . 在正三角形ABC中,E、F、P分别是AB、AC、BC边上的点,满足
(如图1).将
沿EF折起到
的位置,使二面角
成直二面角,连接A1B、A1P(如图2)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/e2179bba-35a2-4e7a-812a-f03e1a2c7f25.png?resizew=314)
(1)求证:
平面BEP;
(2)求直线A1E与平面A1BP所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67cdda05f0fab4c742a89d6214f0cd5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb2d555062f34d5a74f6d47da4ea8888.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc14ed237a4bcc35cbd1f5f1321b3718.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/e2179bba-35a2-4e7a-812a-f03e1a2c7f25.png?resizew=314)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4525c00ed908bed8ba8d353e747a858.png)
(2)求直线A1E与平面A1BP所成角的大小.
您最近一年使用:0次
名校
9 . 如图所示,在四棱锥
中,底面
为梯形,且满足
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5181b97a7e43959b8455680157c3b644.png)
,平面
平面
.
![](https://img.xkw.com/dksih/QBM/2022/1/6/2888598092283904/2895244661850112/STEM/2320cd14-9499-4ee9-9e42-904a98665424.png?resizew=232)
(1)求证:
;
(2)求直线
与平面
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675127116b1cace5e3158a88b7a2044a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ff27eea7545bb06f9472f91290c54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52bbb16f9380dd62d556480a3944be31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe9e969dd9de77620d16f8d4385dcd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5181b97a7e43959b8455680157c3b644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7387729823ab990cfb51f7d8cc081a09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d28c625d7ac6878957facc8274d459c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ff27eea7545bb06f9472f91290c54e.png)
![](https://img.xkw.com/dksih/QBM/2022/1/6/2888598092283904/2895244661850112/STEM/2320cd14-9499-4ee9-9e42-904a98665424.png?resizew=232)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4151e948feebdf7b91fbe739feafa9bc.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
您最近一年使用:0次
2022-01-15更新
|
195次组卷
|
2卷引用:新疆乌鲁木齐市第八中学2022届高三上学期第三次月考数学(理)试题
名校
解题方法
10 . 已知抛物线
与椭圆
(
)有公共的焦点,
的左、右焦点分别为
,
,该椭圆的离心率为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/a47bb539-b652-42b3-9acb-e568c05133df.png?resizew=185)
(1)求椭圆
的方程
(2)如图,若直线
与
轴,椭圆
顺次交于
,
,
(
点在椭圆左顶点的左侧),且
与
互补,求证:直线
过定点,并求出定点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8a3bffe545af2299cf999d44767206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57880cb00bacdef41881ba1a32ea5d65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/a47bb539-b652-42b3-9acb-e568c05133df.png?resizew=185)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)如图,若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080156cfe470743e16136139f8ef746f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073419c46d23ab8dd7cec04eea8c3386.png)
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