名校
解题方法
1 . 已知
的内角
的对边分别为
,且满足
.
(1)求角
的大小;
(2)若
为锐角三角形且
,求
面积的取值范围.
![](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/a0d927c5817cf25e519432a63e1538c5.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd07e8a88a2413704e90721ab49315f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
7日内更新
|
529次组卷
|
3卷引用:2024届吉林省吉林市第一中学高三一模数学试题
2 . 在①
;②
;③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4f91e922fafa71d98d7d5f1e2facc8f.png)
这三个条件中任选一个,补充在下面的问题中,并解答问题.
在
中,内角
的对边分别为
,且满足__________.
(1)求角
;
(2)若
的面积为
的中点为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f3e9822719452aa689b19ab8f949c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb10549903fa439f3308f57ef1dc5ce3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4f91e922fafa71d98d7d5f1e2facc8f.png)
这三个条件中任选一个,补充在下面的问题中,并解答问题.
在
![](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)
(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/316ba7bd890fa4ab1db1fbdfc985b72e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
您最近一年使用:0次
2023-05-13更新
|
1938次组卷
|
3卷引用:吉林省实验中学2022-2023学年高三下学期模拟考试(六)数学试题
名校
解题方法
3 . 在
中,角A,B,C对边分别为a,b,c,
,D为
边上一点,
平分
.
(1)求角A;
(2)求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a638bd5f352871356e27a990fdb9af0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef0027aef1e6e558d4421c32db8a33f.png)
(1)求角A;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
名校
解题方法
4 . 在
中,内角A,B,C所对的边分别为a,b,c,已知
,C=
.
(1)当
时,求
的面积;
(2)求
周长的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2c7b2e3529306b039af7d024ffa227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-05-03更新
|
2359次组卷
|
4卷引用:吉林省长春吉大附中实验学校2022-2023学年高三下学期第四次摸底考试数学试卷
吉林省长春吉大附中实验学校2022-2023学年高三下学期第四次摸底考试数学试卷湖南省长沙市长郡中学2023届高三一模数学试题(已下线)模块二 专题3 解三角形与不等式(已下线)专题02 解三角形大题
名校
解题方法
5 .
的内角A,B,C的对边分别为a,b,c,已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d334ecfc776ce81deeab9d3cf13ee5f.png)
.
(1)求A;
(2)若
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d334ecfc776ce81deeab9d3cf13ee5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d52ccbe72adce293e97613c78e77e8.png)
(1)求A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-04-16更新
|
1677次组卷
|
4卷引用:吉林省通化市梅河口市第五中学2023届高三第四次模拟考试数学试题
吉林省通化市梅河口市第五中学2023届高三第四次模拟考试数学试题(已下线)第4讲 解三角形(2) - 《考点·题型·密卷》贵州省石阡县中等职业学校2022-2023学年高一下学期期中考试数学试题(已下线)专题04 平面向量的应用 (1)-【寒假自学课】(人教A版2019)
名校
解题方法
6 . 在①
,②
,③
这三个条件中任选一个作为条件,补充到下面问题中,然后解答.
已知锐角
的内角
,
,
所对的边分别为
,
,
,且______(填序号).
(1)若
,
,求
的面积;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6fd3a89ca0ddbbe82660b1f06d5e6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e210a31576a12d27f0454f83c048b14e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69bf6e0ad016f3782d5df5a4267e550.png)
已知锐角
![](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)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8120119749d4bc28067e73fca7d46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102737874b14b39c31c10cca4bd727c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd950ec83d93596468e3aff0bb91e0e9.png)
您最近一年使用:0次
2023-04-09更新
|
1219次组卷
|
3卷引用:吉林省白山市抚松县第一中学2023届高三第十次模拟预测数学试题
名校
解题方法
7 . 在
中,角
所对的边分别为
,满足
.
(1)求B;
(2)若
,点D在边
上,且
,
,求b.
![](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/8331811011a120a834a84e2855452c02.png)
(1)求B;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3f157aab917082b835f4213ed81a3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ecd4dccd29ed5c01acdd12a91cea7a6.png)
您最近一年使用:0次
2023-03-27更新
|
690次组卷
|
2卷引用:吉林省通化市梅河口市第五中学2023届高三第三次模拟考试数学试题
解题方法
8 . 已知
的内角
、
、
所对的边分别为
、
、
,
.
(1)求角
;
(2)若
为锐角三角形,且外接圆的半径为
,求
的取值范围.
![](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/36fef0b2a257ecffcf0e43e6aa30d3ff.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fea62f2d3c2debedbe291de0895ddbc4.png)
您最近一年使用:0次
2023-03-11更新
|
2203次组卷
|
5卷引用:吉林省白山市2023届高三三模联考数学试题
吉林省白山市2023届高三三模联考数学试题辽宁省锦州市黑山县黑山中学2023届高三一模数学试题湖南省部分市2023届高三下学期3月大联考数学试题(已下线)【2023】【高二下】【期中考】【366)】【高中数学】【陈秀秀收集】河北省保定市安国中学等3校2023届高三下学期3月月考数学试题
解题方法
9 . 已知
的三个角
,
,
的对边分别为
,
,
,且
.
(1)求边
;
(2)若
是锐角三角形,且___________,求
的面积
的取值范围.
要求:从①
,②
从这两个条件中任选一个,补充在上面的问题中,并给出解答.如果选择多个条件分别解答,按第一个解答计分.
![](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/71336225286306488df9aefbd9fbba2e.png)
(1)求边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
要求:从①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09eebab59213386449a726b75065bf76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e71c76949f930de79abdbddacf243b8.png)
您最近一年使用:0次
2023-02-19更新
|
1253次组卷
|
2卷引用:吉林省吉林市普通中学2022-2023学年高三第二次调研测试数学试题
解题方法
10 . 在△ABC中,a,b,c分别是角A,B,C所对的边,csin
=sin C,且a=1.
(1)求A;
(2)若AB=AC,D,E两点分别在边BC,AB上,且CD=DE,求CD的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c3c24b030426add1ce73d46cf8d4b1.png)
(1)求A;
(2)若AB=AC,D,E两点分别在边BC,AB上,且CD=DE,求CD的最小值.
您最近一年使用:0次
2023-02-11更新
|
690次组卷
|
4卷引用:吉林省白山市2023届高三二模数学试题
吉林省白山市2023届高三二模数学试题广东省清远市2022-2023学年高二上学期期末数学试题(已下线)山东省日照市2023届高三一模考试数学试题变式题17-22(已下线)第100练 计算速度训练20