2020·全国·一模
名校
1 . 已知
的内角
的对边分别为
,且满足
.
(1)求角
的大小;
(2)若
的面积为
,求
的周长的最小值.
![](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/027c1a6b7d949ed51f2be576c3e01c49.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb57d84f9bbcb3e30d4ce7e2e1e8604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2 .
,
,
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9476e4277c97ec987acd0488eaf687a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e55512b3f02d93cdb2553af2960911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a678d861308f1cb7a80044f52ce666bf.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-03-30更新
|
752次组卷
|
7卷引用:河南省新乡市第一中学2019-2020学年高一3月月考数学试题
河南省新乡市第一中学2019-2020学年高一3月月考数学试题(已下线)第7章+三角函数(重点卷)-2020-2021学年高一数学十分钟同步课堂专练(苏教版2019必修第一册)四川省泸县第五中学2023-2024学年高三上学期10月月考数学(文)试题(已下线)专题2-1 幂指对三角函数值比较大小归类-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)(已下线)专题02 《三角函数》中的易错题-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)湖北省襄阳市第五中学2022-2023学年高一上学期期末数学试题第七章 三角函数(A卷·基础提升练)-【单元测试】2022-2023学年高一数学分层训练AB卷(苏教版2019必修第一册)
名校
解题方法
3 . 在锐角
中,
,
,
分别是角
,
,
所对的边,
的面积
,且满足
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/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/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd08ea81c6db2ca24f3af86d4809991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bad6a75d71a5c23d982647b1fd4b15d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04961125820b8aa8cce5f5b2a4dee242.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-03-27更新
|
537次组卷
|
3卷引用:2020届四川省成都市树德中学高三二诊模拟考试数学(理科)试题
2020届四川省成都市树德中学高三二诊模拟考试数学(理科)试题(已下线)专题06 三角函数及解三角形-2020年高三数学(理)3-4月模拟试题汇编宁夏银川一中2020-2021学年高一下学期期末数学试题
名校
解题方法
4 . 已知点
在直径
的半圆上移动(点
不与
,
重合),过
作圆的切线
,点
在
上,且
,
.
(Ⅰ)当
时,求
的值;
(Ⅱ)当
为何值时,四边形
面积最大?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8733e68ffbc80bd2aa01a08574923cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/482002db587fa5dcc33454ebe5ace500.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97cf714ffb3fd5917a76b191640b55fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7bf58e5fea1189b33cf55d86335452f.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5b20900d8d44227bcccda9a77416d5.png)
您最近一年使用:0次
名校
解题方法
5 . 如图是函数
(其中
,
的部分图象,则
的值为( )
![](https://img.xkw.com/dksih/QBM/2020/3/12/2417992215969792/2420809539772416/STEM/82f51461b6054fdd8238ab442f0020cc.png?resizew=201)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a067e86ae162185a04bdf862b40cd255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1692016fec1a1e74b84cd384904bd59e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/122d213f8dbbcac597ebbe49264b90b2.png)
![](https://img.xkw.com/dksih/QBM/2020/3/12/2417992215969792/2420809539772416/STEM/82f51461b6054fdd8238ab442f0020cc.png?resizew=201)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
6 . 设
的内角
,
,
的对边分别为
,
,
,且
,则
的大小为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/64349a05d57df855ac85d6493c73e69d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-03-24更新
|
252次组卷
|
2卷引用:2019届四川省成都市第七中学高三上学期入学考试数学(理)试题
7 . 函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef034a31a9d8f4b79e5503a858b2ad11.png)
在一个周期内的图象如图所示,点
是图象的最高点,
,
是该图象与
轴的交点,若
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/f52fd375-6ad5-4c0c-91e3-95b61038e0aa.png?resizew=184)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef034a31a9d8f4b79e5503a858b2ad11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ddbb5cfaedab59c97125105c3fe590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cfe541293cab8a9a37d23b16ad7577e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/f52fd375-6ad5-4c0c-91e3-95b61038e0aa.png?resizew=184)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-03-24更新
|
317次组卷
|
2卷引用:2019届四川省成都石室中学高三适应性考试(二)数学(理)试题
解题方法
8 . 函数
和
图象的部分,如图所示.
的图象由
的图象平移而来,
,
分别在
、
图象上,
是矩形,
,
,则
的表达式是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/15/62d7b55e-c9b1-48a5-b915-7b89fc8444ba.png?resizew=187)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca96e340b1b7692256029b79a84956d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447621f9dce94edb87d2aa1cb4ec9ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/112a81d0c1b8f7101784d35f974ba2a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/15/62d7b55e-c9b1-48a5-b915-7b89fc8444ba.png?resizew=187)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2020-03-24更新
|
155次组卷
|
2卷引用:2019届四川省凉山州高三第三次诊断性检测数学(理)试题
名校
解题方法
9 . 将函数
图象上所有点的纵坐标保持不变,横坐标变为原来的2倍,然后再将整个图象沿
轴向左平移
个单位,得到的图象与
的图象相同,则
的函数表达式为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80e8d2d66b432fd2b8a2830ba21e5dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2020-03-24更新
|
231次组卷
|
6卷引用:四川省绵阳市江油市江油中学2020-2021学年高三上学期10月月考数学试题
11-12高三上·河南许昌·期末
名校
解题方法
10 . 定义在R上的偶函数
满足
,且在
上是减函数,
是钝角三角形的两个锐角,则下列不等式关系中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbb7af9e416682c9be1ff154ec3fbfdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef2f9766c341bc0bd1362e8e2bd9f552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2020-03-23更新
|
395次组卷
|
12卷引用:【全国百强校】四川省三台中学2017-2018学年高二5月月考数学(文)试题
【全国百强校】四川省三台中学2017-2018学年高二5月月考数学(文)试题2020届四川省绵阳南山中学高三3月网络考试数学(理)试题(已下线)2011届河南省许昌市三校高三上学期期末数学理卷(已下线)2013届安徽省芜湖一中高三上学期第二次模拟考试文科数学试卷2015-2016学年山东省济宁一中高一下期中数学试卷江西省樟树中学2017-2018学年人教A版高一下学期第一次月考数学(理)试题河南省辉县市一中2017-2018学年高一下学期第一次月考文数试题山西省长治市第二中学2018-2019高一下学期期中考试数学试卷江西省南昌县莲塘第一中学2019-2020学年高一上学期月考数学试题海南省华中师范大学琼中附属中学2020-2021学年高二上学期期中考试数学试题甘肃省张掖市第二中学2020-2021学年高三第一学期10月月考数学(文)试题安徽省六安市舒城中学2021-2022学年高一下学期第一次月考数学试题