名校
1 .
,且
.
(1)方程
在
有且仅有一个解,求
的取值范围.
(2)设
,对
,总
,使
成立,求
的范围.
(3)若
与
的图象关于
对称,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a615271711750f4e18797f6c45404a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/221d133bc38df7ae4bf1717cb3ca12d4.png)
(1)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e029124b4cd659d0596a955e6b93ce5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8284604d4499d6ee65dbefed20c7800f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b324aceadfd941605fa757a5ea014c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e21dc6fe0ae3b5c607b274227b547e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a58a804ac94af91bb076b7bf3184a24c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6154e00013d9dee84c0e941f676ea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28dd80f024a2ad50d7d5838a1cd80c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb89f9fa268fc91676108a58c29e114.png)
您最近一年使用:0次
2023-05-21更新
|
1197次组卷
|
6卷引用:辽宁省沈阳市第十一中学2022-2023学年高一下学期4月月考数学试题
辽宁省沈阳市第十一中学2022-2023学年高一下学期4月月考数学试题江西省吉安市双校联盟2022-2023学年高一下学期期中考试数学试题(已下线)专题5.9 三角函数全章八类必考压轴题-举一反三系列(已下线)专题5.4 三角函数的图象与性质-举一反三系列(已下线)第七章 三角函数(压轴题专练)-单元速记·巧练(沪教版2020必修第二册)(已下线)模块四 专题2 重组综合练(江西)(北师版高一期中)
名校
2 .
的取值所在的范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9476e4277c97ec987acd0488eaf687a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . 如图,OM,ON是两条海岸线,Q为海中一个小岛,A为海岸线OM上的一个码头.已知
,
,Q到海岸线OM,ON的距离分别为3 km,
km.现要在海岸线ON上再建一个码头,使得在水上旅游直线AB经过小岛Q.
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572660084457472/1572660090683392/STEM/b0d8c5c250344947b5efae4081eaa58e.png)
(1)求水上旅游线AB的长;
(2)若小岛正北方向距离小岛6 km处的海中有一个圆形强水波P,从水波生成t h时的半径为
(a为大于零的常数).强水波开始生成时,一游轮以
km/h的速度自码头A开往码头B,问实数a在什么范围取值时,强水波不会波及游轮的航行.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6449e5045458b196b1af56b25d585b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db82973fe1165d3ab158599b553fbe4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49ae5017d0f9e9f8f82f17c961da1b71.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572660084457472/1572660090683392/STEM/b0d8c5c250344947b5efae4081eaa58e.png)
(1)求水上旅游线AB的长;
(2)若小岛正北方向距离小岛6 km处的海中有一个圆形强水波P,从水波生成t h时的半径为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b73ba89133141567dd9e19ee90d9fd81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff92696e5d9cda77350d5ab75063cec.png)
您最近一年使用:0次
2016-12-04更新
|
817次组卷
|
2卷引用:江苏省南通市海安高级中学2019-2020学年高三阶段测试三数学试题
名校
4 . 已知不等式
的解集为
,若
中只有唯一整数,则称A为“和谐解集”,若关于
的不等式
在区间
上存在“和谐解集”,则实数
的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8870876779e79db7033f2617b8535eb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083479b94380e8d659eff92d10a1989d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-02-06更新
|
1158次组卷
|
5卷引用:河北省衡水中学2023届高三上学期三调数学试题
5 . 在
中,
的对边分别是
,其中
,则角
的取值一定属于范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.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/ef58c5c8336cdb8609fa9646de2ea141.png)
![](https://img.xkw.com/dksih/QBM/2015/1/4/1571943056769024/1571943062142976/STEM/8aec52d241c14746a40eba09f1547266.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() ![]() |
您最近一年使用:0次
11-12高三·辽宁·开学考试
6 . 不等式
且
对任意
都成立,则
的取值
范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f1189b4417bdf009facb924d96abef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ddea7e61a8c274aca28a3bf3e1299b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
范围为
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 定义非零向量
若函数解析式满足
,则称
为向量
的“
伴生函数”,向量
为函数
的“源向量”.
(1)已知向量
为函数
的“源向量”,若方程
在
上有且仅有四个不相等的实数根,求实数
的取值范围;
(2)已知点
满足
,向量
的“
伴生函数”
在
时取得最大值,当点
运动时,求
的取值范围;
(3)已知向量
的“
伴生函数”
在
时的取值为
.若在三角形
中,
,
,若点
为该三角形的外心,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefeca842285cfe6a09ee79a8d4108d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eeb34e5f4dbd027466a86df156fa7c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72850427e83ff19a24305783e080b280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(1)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801d2cd298e1db6dc7bad6fc634988f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750b32f4a65ac47869454623571acaac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646ff4c9568c69355999bd80def2d8a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7325df3658628e64a870bd4670e10a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/303da3900e7d236e218a004f1a1b7e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72850427e83ff19a24305783e080b280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0497ee4207717773f0154aaa594a6123.png)
(3)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a359f9aeb5add5377519c6f7650ae6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f196f6236188084f3b2c9f2b68c05c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f7b16d65f1b2b8bea8cf4a83fde925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ea52361458ce2e49ed0fe99d8e6c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da3e0f58ca588ad6103788815c053fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15167b49aad18e17a3b4e58ad6b61c13.png)
您最近一年使用:0次
2024-02-27更新
|
694次组卷
|
6卷引用:江苏省常州市北郊高级中学2023-2024学年高一下学期3月学情调研数学试卷
名校
解题方法
8 . 在锐角
中,内角A,B,C所对的边分别为a,b,c,满足
.
(1)求证:
;
(2)若
,求a边的范围;
(3)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8e5ce6c55a720a332a08c07f1a89a1.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2264c134952d41fb9bcb90e6c72c83.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9563e5c29f03707996eb761fba29ce21.png)
您最近一年使用:0次
7日内更新
|
569次组卷
|
4卷引用:湖北省武汉市第六中学2023-2024学年高一下学期6月月考数学试卷
湖北省武汉市第六中学2023-2024学年高一下学期6月月考数学试卷四川省内江市第六中学2023-2024学年高一下学期期中考试数学试卷(已下线)【北京专用】高一下学期期末模拟测试B卷(已下线)【高一模块二】类型2 以解三角形为背景的解答题(B卷提升卷)
名校
9 . 将函数
的图像进行如下变换:先向下平移
个单位长度,再向左平移
个单位长度,得到函数
的图像
(1)求
的最小正周期及单调增区间
(2)当
时,方程
有两个不等的实根
,求实数
的取值范围
(3)若函数
在区间
内恰有2022个零点,求
的所有可能取值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84005158547c0dfe3fd36a54fa06c20d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2818807dce7e9ec5514de572c3cc644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1adb4910475f817ded8ada2da36b1a8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4c1927483c5074919ea78503186f91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2024-03-20更新
|
307次组卷
|
2卷引用:上海市金山中学2023-2024学年高一下学期3月月考数学试卷
解题方法
10 . 某公园为了美化环境和方便顾客,计划建造一座圆弧形拱桥,已知该桥的剖面如图所示,共包括一段圆弧形桥面ACB和两段长度相等的直线型桥面AD、BE,拱桥ACB所在圆的半径为3米,圆心O在DE上,且AD和BE所在直线与圆O分别在连结点A和B处相切.根据空间限制及桥面坡度的限制,桥面跨度DE的长要不大于18米,不小于12米.已知直线型桥面的修建费用是每米0.6万元,弧形桥面的修建费用是每米2.5万元,设
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/30/fcbe57a7-c0af-45b8-91a8-8e9440d54eb9.png?resizew=204)
(1)若桥面(线段AD,BE和弧ACB)的修建总费用为W万元,求W关于
的函数表达式,并写出
的取值范围;
(2)当
为何值时,桥面修建总费用W最低?(角
的取值精确到
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc464e9a543e2995cd64ad444f0bf340.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/30/fcbe57a7-c0af-45b8-91a8-8e9440d54eb9.png?resizew=204)
(1)若桥面(线段AD,BE和弧ACB)的修建总费用为W万元,求W关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea6771d7581e9bfff5f7fa9d43f221d.png)
您最近一年使用:0次