名校
解题方法
1 . 在三棱锥
中,且
,
,
.
平面BCD.
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c9fef50a33b465aa4edc898974be7b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd7daa2e5fdd2f3db55021436a884a73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95c3a9f27b8f6766aafda84ebefa736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1854ba6cc92481d7a616bd2788a47e.png)
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2 . 函数
的导数
仍是x的函数,通常把导函数
的导数叫做函数的二阶导数,记作
,类似地,二阶导数的导数叫做三阶导数,…….一般地,
阶导数的导数叫做n阶导数,函数
的n阶导数记为
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d0c99ddd028f0bc3b1d64924ff0f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d0c99ddd028f0bc3b1d64924ff0f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/affdb4e0e91ead05b2684c52f341d935.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aadf9ab510510120699c5eee39ab18b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23474c8bebc8aaf09eeb20a43464af55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1503dc6bda8c71609ac551513ea2cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0738f1bf850274f58dde0a86dfd0b3f9.png)
A.![]() | B.49 | C.50 | D.![]() |
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名校
3 . 已知曲线
在点
处的切线方程是
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de7a7c5fbd8c9d21f0cdbddcb9476c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bd144e0e96e4236a14523e0729cacb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
A.2 | B.![]() | C.1 | D.![]() |
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名校
解题方法
4 . 某地区5000名学生的数学成绩X(单位:分)服从正态分布
,且成绩在
的学生人数约为1600,则估计成绩在100分以上的学生人数约为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3143794f5a13c28c1943a596941a6bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac868aff0466375197c91b13b73eee2.png)
A.400 | B.900 | C.1800 | D.2500 |
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名校
5 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfc875ca919921e8f63a6fca648561b.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8820654327f4042126033737ff69cdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfc875ca919921e8f63a6fca648561b.png)
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名校
6 . 函数
的部分图象如图所示.
(1)求函数
的解析式;
(2)将函数
的图象先向右平移
个单位,再将所有点的横坐标缩短为原来的
(纵坐标不变),得到函数
的图象,求
在
上的最大值和最小值;
(3)若关于
的方程
在
上有两个不等实根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0ef9d537e1849ed448318247dce9f7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/11/2b62466c-d1d8-4547-bab4-48cac19e5e61.png?resizew=150)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a80586bb4383ef1d08ae68d093de3c68.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b97537de8e5111a3fd21a175577e504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a80586bb4383ef1d08ae68d093de3c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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7日内更新
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860次组卷
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3卷引用:广东省深圳市福田区红岭中学2023-2024学年高一下学期第一次月考数学试卷
广东省深圳市福田区红岭中学2023-2024学年高一下学期第一次月考数学试卷广东省华南师范大学附属中学2024届高三下学期模拟测试(一)数学试题(已下线)专题02 三角函数的图象与性质常考题型归类-期末考点大串讲(人教B版2019必修第三册)
7 . 已知函数
.
(1)讨论
的单调性;
(2)若
,讨论
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1992673f2428acad25b02245ce76d589.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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8 . 如图,抛物线
:
上异于坐标原点
的两不同动点
、
满足
.
过定点;
(2)过点
,
分别作抛物线
的切线交于点
,求
的面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a11cb104b04c4e6a1be700e81da279a.png)
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名校
解题方法
9 . 已知数列
的首项
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25960d3812de00a90f060950f4b48197.png)
______ ;满足
的最大整数
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc6545b8eca1c4223ed701a199a85683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7643e8b7aa32ebf299048417a94432dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25960d3812de00a90f060950f4b48197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b9587d657211fcc4d689e81ea186c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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名校
解题方法
10 . 已知
且
,则函数
的单调增区间为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85bcef2678925224ca8e9f58f02dd52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9bf93392b378d5c821ccad1b18fd09b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b869c8b8c8e665fc49c74d81e1fab16.png)
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