名校
解题方法
1 . 已知
,
,且
(1)求
的值;
(2)证明:
,并求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b9082ee8dab6c1e4e325c9db6b9f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/118ef8f09f8fd13bbb2210e9fd7054e2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c4f5b9edd67877c84e8b85c6985908d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152f33e0c3380e2ddb3f35781a5b5314.png)
您最近一年使用:0次
名校
解题方法
2 . 双层的温室大棚具有很好的保温效果,某农业合作公司欲制作这样的大棚用于蔬菜的种植,如图(1)所示,工人师傅在地面上画出一个圆,然后用钢丝网编织出一个网状空心球的上部分钢结构,使得地面上的圆为空心球的一个截面圆,同时在其外部用塑料薄膜覆盖起来作外部保温.如图(1)所示,用塑料薄膜覆盖起来的内部保温层钢结构为一个圆柱面
,制作方法如下:工人师傅将圆柱面
的下底面圆
置于球O在地面上的截面圆内(可与截面圆重合),把下底面的圆心
固定在球O在地面上截面圆的圆心位置上,圆柱面
的上底面圆
的圆周固定在球的内壁上,已知球O的半径为3.如图(2),取圆柱
的轴截面为矩形PQRS,
.
为圆
上任意一点,RO与底面所成的角为
,将圆柱
体积V表示为
的函数并判断
的范围;
(2)求V的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc11a059f6073ebacd015763cdd06ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)求V的最大值.
您最近一年使用:0次
2022-02-14更新
|
434次组卷
|
4卷引用:安徽省安庆市怀宁中学2021-2022学年高三上学期12月联考理科数学试题
安徽省安庆市怀宁中学2021-2022学年高三上学期12月联考理科数学试题安徽省安庆市怀宁中学2021-2022学年高三上学期12月联考文科数学试题(已下线)第二章 立体几何中的计算 专题六 几何体的外接球、棱切球、内切球 微点8 正棱台和圆台模型综合训练【基础版】(已下线)【一题多变】空间最值 向量求解
名校
3 . 已知四边形OABC各顶点的坐标分别为
,
,
,
,点D为边OA的中点,点E在线段OC上,且
是以角B为顶角的等腰三角形,记直线EB,DB的倾斜角分别为
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1a9821a00b71f6b7d7a76d91b3f810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea1f5bdd213c7c3a571b4c38850bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6868a51ea0a78f2605d3d1cbe701351b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3902ec8b7c448598f3d80e3a0bb05a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe4bdc5d9e833b23a1b916c06fc1a35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005fa32731cd8290847a115f78b42efa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知函数
,且满足
,则函数
在
上的零点个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd6b2d8d6e07674449c35358bf2ae83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f7cf8378b7627fa6f1027ceb69fd15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1613d377a07850c72cbec354b7a3000f.png)
A.1 | B.2 | C.3 | D.4 |
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解题方法
5 . 给出下列命题:①函数
图像的对称中心为
;②已知
的内角
,
,
的对边分别为
,
,
.则
是
的充要条件;③若函数
在区间
上的最大值,最小值分别为
,
,则
;④已知函数
,则
的最大值为
.以上命题中正确的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c111ae39998037ad9c2eef5a892b3e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ee2e53d87656db84e35013f1a39edd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e568277c72cc82ae217994d26c77e473.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f7fbe966a37768a0d431f37f29cdca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bda9f0bd714c30af866690d5cc841f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6c5511177fe93e77b61f1e0394b1a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725f78d26ce894dd6503ffd0f307959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6595f862f1b3dfc3e8ec0331c8cc9ed6.png)
A.0 | B.1 | C.2 | D.3 |
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6 . 将函数
的图像向右平移
个单位长度,再将图像上各点的横坐标缩短到原来的
倍(纵坐标不变),得到函数
的图像,若对任意的
均有
成立,则
的图像( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f3bf31e50219ffa7227a89e84c538d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e0f2f804b9b8e8513878f8887f27926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f369feefc303375c2f606142d40860e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
A.关于![]() | B.关于![]() |
C.关于![]() | D.关于![]() |
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7 . 若
,其中
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6a04d3a53c95f571d60a287a80c74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef001eeef468ca21ac0cbb23fd135657.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643425a915576309f1de1a164dd2d4d0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
8 . 已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa528bcfeca58c46fedfeaf0969d3a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5690ee204a079b55b847d5d4ebe735ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa3d3ca8ae9c034b384ba8267808553.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-02-11更新
|
660次组卷
|
2卷引用:安徽省皖江名校联盟2021-2022学年高三上学期第四次联考理科数学试题
名校
解题方法
9 . 将函数
图象的横坐标伸长为原来的3倍(纵坐标不变)后,再向右平移
个单位,得到函数
的图象,则函数
的极大值点可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3015a7cc7c386391b9cc8daf86856d65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
A.0 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
10 . 已知函数
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebf0001e6594fcd0ad4f71e4a20fee4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbb9382691cd5a8021a2de6f9020ba48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0496406ef0545854bc7acd28d1031cde.png)
A.![]() | B.![]() | C.2 | D.0 |
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