名校
解题方法
1 . 在锐角
中,角
的对边分别为
. 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78fc7d61e2b7bbf406eec8abb19c4b84.png)
的面积为
.
(1)求
的值;
(2)求
的值;
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7af7c5df749c6fa9bbe87faa72c66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f2599ca8b6b683e57a82699c8b1ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78fc7d61e2b7bbf406eec8abb19c4b84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7a71b30063e929dfcb71ae1693149e.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e461bd1cb4c83e27340b0c48138e47.png)
您最近一年使用:0次
2024-04-24更新
|
1110次组卷
|
2卷引用:天津市北辰区朱唐庄中学2024届高三模拟预测数学试题
名校
解题方法
2 . 在锐角
中,内角A,B,C所对的边分别为a,b,c,且
.
(1)求角A的大小;
(2)若
的面积
,
.
①求
的值;
②求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d6622fe473de06ca19239b47caf7cd.png)
(1)求角A的大小;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa1c561f7eaa436b21b39c67ade61f0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32e2f2d7147cf1699fbfdef9cf4af74.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f53dfc29e64099a056874fc269cf81.png)
您最近一年使用:0次
3 . 在
中,内角
的对边分别为
.已知
.
(1)求
的值;
(2)若
.
①求
的值;
②求
的值.
![](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/f886376cff443510d0757a5da1722c5c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2b1828826f51db4e9a1512a48b2f20.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c181f86de3c96a7ef7a1a04c3a438f.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f22fd382ec53fc639f32eac8ff96529.png)
您最近一年使用:0次
2023-11-10更新
|
595次组卷
|
4卷引用:天津市第四十七中学2024届高三上学期第三次阶段性检测数学试题
名校
解题方法
4 . 在锐角
中,内角
的对边分别为
,已知
.
(1)求A;
(2)若
.
(ⅰ)求
;
(ⅱ)求
的面积.
![](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/2d5822c9a213d34b29ae599474288c9e.png)
(1)求A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939a5029c7f844f7594de89d19a251c1.png)
(ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2a176ce516b12878eb2b7585f26e35d.png)
(ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
5 . 在
中,
.
(1)求
;
(2)再从条件①,条件②,条件③,条件④这四个条件中选择一个作为已知,使
存在且唯一确定,若D是
边上的中点,求
的面积.
条件①:
,
;
条件②:
,
;
条件③:
,
;
条件④:
,
.
注:如果选择的条件不符合要求,第(2)问得0分;如果选择多个符合要求的条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1af751934461a7046db4e5ab355040.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
(2)再从条件①,条件②,条件③,条件④这四个条件中选择一个作为已知,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f517953a21c2a45fd8465072c44bfc.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcaabbc3dfc41a697d94ce30a5525d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/952eb5a219e0d6eb4b039092da70b865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
条件③:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7806bf3865558f820a9bace47198fc41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b97bb18e5ca34d22b5e827316a122a.png)
条件④:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f425a37c8ec6a3c686cfb21c79064d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5742b2684d00be50a66e01c9acb6b51f.png)
注:如果选择的条件不符合要求,第(2)问得0分;如果选择多个符合要求的条件分别解答,按第一个解答计分.
您最近一年使用:0次
2023-10-17更新
|
586次组卷
|
3卷引用:天津市北辰区南仓中学2023-2024学年高一下学期3月教学质量过程性监测与诊断数学试题
解题方法
6 . 在
中,角
、
、
所对的边分别为
、
、
.已知
,
,
.
(1)求
的值;
(2)求
的值;
(3)求
的值
![](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/413f9851aad373d782ae62b308f1de85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2269b631c107dac71805624b046f1a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8cf4aa409d98051ccd62a4a9ca0cd43.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b01adc561735ff5be9bb97266918f2.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e0d190191cab0d4e0698a67a8c2a59.png)
您最近一年使用:0次
名校
解题方法
7 . 已知
,
,
分别为锐角三角形
三个内角
的对边,且
.
(1)求
;
(2)若
,
,求
;
(3)若
,求
的值.
![](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/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d6b6340f64f78c12b6a34077d4d889.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783d6adfa8fb1352679c5185258d842a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79159294ac7ac0d85887ab209a197cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560b5f1bdfeb261d2205d4a571cd04a3.png)
您最近一年使用:0次
2023-09-01更新
|
1065次组卷
|
5卷引用:天津市朱唐庄中学2022-2023学年高三下学期6月模拟数学试题
解题方法
8 . 在
中,内角
,
,
所对的边分别为
,
,
.已知
,
.
(1)求
的值;
(2)求
值;
![](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/942245aece46d6fa4a771afe4ff05929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84aac0acb075f5ff144b8bd69e7a713f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d785e142cccc733f515411efb00e0b1d.png)
您最近一年使用:0次
名校
解题方法
9 . 在
中,角A,B,C所对的边分别为a,b,c.满足
.
(1)求角B的大小;
(2)设
,
.
(ⅰ)求c的值;
(ⅱ)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95d37b2f8d5da8eaa07442b941017c1c.png)
(1)求角B的大小;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39372e70f5465f8cf0c5ebf7653f0e68.png)
(ⅰ)求c的值;
(ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/691778fc34f1de34ea68d916f3625f91.png)
您最近一年使用:0次
2023-05-18更新
|
5047次组卷
|
16卷引用:天津市北辰区2023届高三三模数学试题
天津市北辰区2023届高三三模数学试题天津市九十六中学2023-2024学年高三上学期第一次月考数学试题天津市九校联考2023届高三模拟考试数学试题(已下线)第4讲 解三角形(2) - 《考点·题型·密卷》(已下线)第02讲 解三角形专题期末高频考点题型秒杀(已下线)高一下学期数学期末押题卷01-期末高分必刷题型湖南省长沙市明德中学2022-2023学年高二下学期三段考数学试题河南省信阳市2022-2023学年高一下学期期末数学试题湖南省株洲市炎陵县2022-2023学年高二下学期期末数学试题天津市第一中学2022-2023学年高一下学期期末数学试题宁夏贺兰县第一中学2022-2023学年高一下学期数学期末复习试题(三)辽宁省重点高中沈阳市郊联体2022-2023学年高一下学期6月月考数学试题江西省上饶市广信区综合高级中学2023-2024学年高三上学期9月月考数学试题天津市滨海新区塘沽第一中学2024届高三毕业班暑期作业调研入学考试数学试卷河北省衡水市武强中学2024届高三上学期期末数学试题(已下线)专题02 平面向量与解三角形-《期末真题分类汇编》(天津专用)
解题方法
10 .
中,角
,
,
所对的边分别为
,
,
,且
.
(1)求角
的大小;
(2)若
,求
的值.
![](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/6cf1b57882f72a3c7bb95773e93c66a5.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf623a808eaaef1acef2bd44d92d34a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74a3687e9617b8e2f782447e8314079.png)
您最近一年使用:0次
2023-04-06更新
|
1753次组卷
|
3卷引用:天津市朱唐庄中学2022-2023学年高一下学期期中数学试题