名校
1 . 在
中,
.
为
所在平面内的动点,且
,若
,则给出下面四个结论:
①
的最小值为
;②
的最小值为
;
③
的最大值为
;④
的最大值为8.
其中,正确结论的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff214d99784c6b23b7784bdaf3ed37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/042d2cddc23566cf3dde733bb02fd90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff214d99784c6b23b7784bdaf3ed37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6adb8e055723620e10435c1632815c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f49444583a7038870e05851e3f043d5.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff141a77e796894f84d0104f8f947e8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3f87258e3886c35e76d8a67c1ff647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6b81a10e1e38309bbd59526e3c79f9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95dd0a0ee689bf6d968b495fab593724.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff141a77e796894f84d0104f8f947e8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d911e720abfb1b8892747d79ddc8f4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6b81a10e1e38309bbd59526e3c79f9a.png)
其中,正确结论的个数是( )
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2022-10-20更新
|
1871次组卷
|
10卷引用:上海市敬业中学2023届高三三模数学试题
上海市敬业中学2023届高三三模数学试题上海市西外外国语学校2023届高三预测数学试题上海市浦东新区上海师大附中2024届高三下学期3月模拟考试数学试题北京市海淀区北京一零一中学2023届高三上学期统考(二)数学试题河南省郑州外国语学校2022-2023学年高一下学期第一次月考数学试题上海市杨浦高级中学2022-2023学年高一下学期期末数学试题(已下线)专题06 平面向量-1(已下线)重难点突破02 向量中的隐圆问题(四大题型)(已下线)山东省实验中学2024届高三第一次诊断考试数学试题变式题6-10上海市上海师范大学附属中学2023-2024学年高三下学期3月月考数学试卷
名校
解题方法
2 . 自2019年起,上海市推进“三星级绿色生态城区”示范区项目.今年,一座人民公园将要建设一块绿地.设计方案如图所示,有一块边长为500米的正方形土地
是一段圆弧(以
为圆心,与
相切于
),其中
为两条人行步道,
为一条鲜花带.已知每米人行步道的修建费用为每米288元.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/92e18042-4655-46b3-b35e-75f8f72aeee8.png?resizew=146)
(1)当
时,求人行步道
的长度之和;
(2)如何设计圆弧
的长度,才能使人行步道
的总造价最低,并求出总造价.(长度精确到
米,造价精确到
元)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f074285e58341bda952afb722f7f89bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3737fbbd4948565798caaa7015da15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/92e18042-4655-46b3-b35e-75f8f72aeee8.png?resizew=146)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f53b6eb20639b90dc0643a3a3bd0fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3737fbbd4948565798caaa7015da15c.png)
(2)如何设计圆弧
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3737fbbd4948565798caaa7015da15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87796ee30e6c5d5e6b6285b32abe10c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2c4d12b3a705daab723ab243b6cc88.png)
您最近一年使用:0次
2022-06-11更新
|
397次组卷
|
4卷引用:上海市光明中学2022届高三模拟(一)数学试题
上海市光明中学2022届高三模拟(一)数学试题2022届上海市普通高等学校招生全国统一考试数学模拟试题(一)(已下线)第06讲 任意角三角函数、诱导公式及恒等式-3(已下线)专题05函数的应用必考题型分类训练-2
解题方法
3 . 已知锐角
,其外接圆半径为
,
,
边上的高的取值范围为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e38f550e95b2950f91e8ec1798b94109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 若实数
、
满足
,函数
的最大值为
,则
的最小值为___________ .
![](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/e2f3f744587b30103d3c1df0c178acd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390239b1657f1729cb55fec8fe75c1a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb10676fbcb031a7b31f951b268ec4c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb10676fbcb031a7b31f951b268ec4c7.png)
您最近一年使用:0次
2021-05-26更新
|
376次组卷
|
3卷引用:上海市黄浦区2021届高三三模数学试题
解题方法
5 . 在
中,内角
所对的边分别为
,若
为钝角,且
.
(1)求角
的大小;
(2)记
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50cd071a4adafaeea33669e4740a4749.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104e4c6253dac1d2ceb5376aa060433a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8cdfc56b1dd4c329d2a7d63ec2bea09.png)
您最近一年使用:0次
名校
6 . 在平面直角坐标系中,已知
为坐标原点,点
的坐标为
,点
的坐标为
,其中
且
.设
.
(1)若
,
,
,求方程
在区间
内的解集;
(2)若点
是
上的动点,当
时,设函数
的值域为集合
,不等式
的解集为集合
.若
恒成立,求实数
的最大值.
![](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/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c14926da48e8ba7ab93dff7c9c459749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a68dbd91d6de68b550a5745ecd461d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55ce11cd7b7f77572b05975f1281c0b7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8120119749d4bc28067e73fca7d46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05a467ddaa138590b3b56615c2c42a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28638f8c054a7bb4d9b46fde330bc76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebb9595cfebe608e2b3ec06c10421dd.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31c4f39399ec245a67db2933ed639f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/336418ad811f19eebca963d7383849a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/956e8ac58542f5cd25d1afce2efb4e12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19ca2a2514bd7033339e8b46987eb69e.png)
(1)求函数
的单调递减区间;
(2)求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19ca2a2514bd7033339e8b46987eb69e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
您最近一年使用:0次
2019-08-16更新
|
434次组卷
|
4卷引用:上海市敬业中学2018-2019学年第二学期高三第三次模拟考试数学试卷
上海市敬业中学2018-2019学年第二学期高三第三次模拟考试数学试卷上海市敬业中学2021届高三下学期3月月考数学试题(已下线)课时20 三角函数的图像与性质-2022年高考数学一轮复习小题多维练(上海专用)上海市南汇中学2022届高三下学期3月月考数学试题
8 . 现有半径为
、圆心角
为
的扇形材料,要裁剪出一个五边形工件
,如图所示.其中
分别在
上,
在
上,且
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8418bdd158ba514f21b9c8d1c70afd07.png)
.记
,五边形
的面积为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/11005023-a255-4daa-8775-186079e8a284.png?resizew=196)
(1)试求
关于
的函数关系式;
(2)求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f38a0437949dfd24d0447d18f6f14a2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f984edb99e0e68badcd405b765b32e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5a5e484dfef494d27bc35ae7b8cf75d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf2e3236ea30ee2c37928b98041f13a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c26ffd8c142d557b077e2ae4bf0b6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8418bdd158ba514f21b9c8d1c70afd07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1c2614cf1c36fc4849267d39375e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dbe4753aa1471d398b8b5b24db422ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f984edb99e0e68badcd405b765b32e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/11005023-a255-4daa-8775-186079e8a284.png?resizew=196)
(1)试求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e0a8b3655a26fa96361ebe312a34e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e0a8b3655a26fa96361ebe312a34e4.png)
您最近一年使用:0次
2020-01-10更新
|
232次组卷
|
2卷引用:上海市黄浦区2016-2017学年高三上学期期终调研测试数学试题
9 . 已知函数
,其中
、
为非零实常数.
(1)若
,
的最大值为
,求
、
的值.
(2)若
,
是
图像的一条对称轴,求
的值,使其满足
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c6f29b2b1955715616003d51d8b77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0c47e23f27bcac8a401158f23c90ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4056761b8f826eeb6ad8c9a151d3c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24db7b603aebdee8e298d1fe49c848e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d6f0d907a92f8a9a37d51b17767b56f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e20f91bc4a7bc5afd19becb7437c1c.png)
您最近一年使用:0次
2020-02-03更新
|
170次组卷
|
4卷引用:2016届上海市黄浦区高考二模(文科)数学试题