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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)
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2023-05-21更新
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1192次组卷
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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 . 正弦最初的定义(称为古典正弦定义)为:在如图所示的单位圆中,当圆心角
的范围为
时,其所对的“古典正弦”为
(
为
的中点).根据以上信息,当圆心角
时,
的“古典正弦”除以
的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083479b94380e8d659eff92d10a1989d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.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/c5caabda288fc01cc168938846eec5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/21/41eaa128-da39-4419-8229-93dcd3900762.png?resizew=124)
A.1 | B.![]() | C.![]() | D.0 |
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名校
3 .
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
4 . 已知函数
的部分图象如图所示,且
,则下列说法正确的为( )
![](https://img.xkw.com/dksih/QBM/2021/3/1/2668506683334656/2672310691610624/STEM/b9e9af6d-6f94-43d0-971b-878f044ad158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd778388b12b9ee6d5d3cc84286bd8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdcca7abad3fcea8197201c4aa3bda43.png)
![](https://img.xkw.com/dksih/QBM/2021/3/1/2668506683334656/2672310691610624/STEM/b9e9af6d-6f94-43d0-971b-878f044ad158.png)
A.函数![]() |
B.对任意![]() ![]() |
C.若函数![]() ![]() ![]() ![]() |
D.要得到函数![]() ![]() ![]() |
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名校
5 . 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)
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2016-12-04更新
|
817次组卷
|
2卷引用:2016届江苏省苏州大学高考考前指导卷1数学试卷
6 . 已知函数
(其中
),将其图象上所有的点向左平移
个单位长度得到的新函数图象关于原点对称.
(1)求
所有可能取值组成的集合;
(2)若函数
在
单调递减,求
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dc7d27b2848707a1724ac2f1f110176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0b909bbcdcb41be76adc4b5e9544a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9518d59e737e3ac698165c5ec17ba636.png)
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名校
7 . 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.![]() |
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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
8 . 定义:不等式
的解集为
,若
中只有唯一整数,则称
为“和谐解集”.若关于
的不等式
在
上存在“和谐解集”,则实数
的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66da24abd12f3146d78beb1ce5534c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ff8dca35b759d3051b62badd7d76bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-05-25更新
|
1244次组卷
|
4卷引用:河北省部分名校2022届高三下学期5月联合模拟数学试题
9 . 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.![]() ![]() |
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11-12高三·辽宁·开学考试
10 . 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.![]() |
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