名校
1 . 如图,在四棱柱
中,底面
为菱形,其对角线
与
相交于点O,
,
,
.
平面
;
(2)求二面角
的余弦值;
(3)求直线
与平面
所成角的正切值.
![](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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4d13ecb54b1006051d2561327aa4755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d927585a17c2e98ef7d5a9589a26ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e5981445b6f2a6c58974158d96a4de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c6ee40dff32baf8ffbf3cd4562c25a.png)
(3)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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2 . 已知四边形
为直角梯形,
,
,
为等腰直角三角形,平面
平面
,E为
的中点,
,
.
平面
;
(2)求证:平面
平面
.
(3)求异面直线
与
所成角的余弦值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4795ee1f96b430529934e2231b38885d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf1f5a0775c66f7e8bcff719c82f04de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5827a006e69fc21a86abe63f86b7e2c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36a60e9b0fe8fe15d7b5ff8a1602e30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7175df06e33cad4e6bbc3f2f6b0a2986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218054144a13435580cd132b9459546c.png)
(2)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
(3)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
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3 . 如图,若正三棱柱
的底面边长为
,对角线
的长为
,点
为
的中点,则点
到平面
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73845d4d663b3de0b281611fe2c762fe.png)
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解题方法
4 . 如图,直角梯形ABCD中,
,
,
,在等腰直角三角形CDE中,
,则向量
在向量
上的投影向量的模为;若M,N分别为线段BC,CE上的动点,且
,则
的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852847ba02c2b62abf27e9cc11f596a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d021a5c98388463d577675e58068aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34bf00aeba15bce2cdee8ab487388dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a333d098fc1acefbdadfcac342fb8ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d1ae9fcd70ccbdda55f34e3371b64c0.png)
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5 . 已知函数
,若函数
恰有3个不同的零点,则实数a的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e616636f230b9bb137d79f84efa147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fd2c5760181b2c974811564b55b65f4.png)
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6 . 已知直线
与圆C:
相交于A,B两点,且
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe567b482938a45840cf770053fd64fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/284b0d767c5e2be6b01cbd33fe5eb931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57dfc9d1109fe41145cc892b5702d9fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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解题方法
7 . 四棱锥
的底面为正方形,
,动点
在线段
上,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c6367068b5470c0a9647727ae9dab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
A.四棱锥![]() ![]() |
B.四棱锥![]() ![]() |
C.在![]() ![]() ![]() |
D.四棱锥![]() ![]() |
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8 . 某学校为普及垃圾分类知识,增强学生的垃圾分类意识,在全校范围内举办垃圾分类知识竞赛.通过选拔,仅有甲、乙两名选手进入决赛.决赛采用积分制,规则为:抢答3道题,每题10分,答对得10分,答错自己不得分,对方得10分.选手是否抢到试题是等可能的,且回答对错互不影响,得分高的获胜.已知甲、乙两名选手答对每道题的概率分别为
,记事件A为“答第一道题,甲选手得分”,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992a45dcac87eeb949b409602a95917a.png)
______ ,记甲选手的得分为
(单位,分),![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b052613c804cc8921d35c04850d1ff.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab27c6e366d1bb9bc893f247498a24a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992a45dcac87eeb949b409602a95917a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b052613c804cc8921d35c04850d1ff.png)
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9 . 函数
的图象经过点
和点
,则
的单调递增区间是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e05cd84464e1ef3eed7eafc694271675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8b7122006ad63540f5c4ac6d5735e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc0155de6697a7f703b2a55552b512b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-04-19更新
|
252次组卷
|
3卷引用:天津市武清区杨村第一中学2024届高考数学热身训练卷
名校
解题方法
10 . 函数
,
的图象大致是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b65d525697d78a8fb7a54b511a138c89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7e7bcd51c9140c25345b4449f148f30.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-04-19更新
|
667次组卷
|
4卷引用:天津市武清区杨村第一中学2024届高考数学热身训练卷
天津市武清区杨村第一中学2024届高考数学热身训练卷河南省百师联盟2023-2024学年高一下学期4月联考数学试题河南省南阳市2023-2024学年高一下学期4月联考数学试卷(已下线)专题05 一轮复习函数的概念与性质--高二期末考点大串讲(人教A版2019)