解题方法
1 .
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
|
1755次组卷
|
3卷引用:天津市河北区2023届高三一模数学试题
名校
解题方法
2 . 已知
,
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff41bb46294d05ddf0cb900b6487da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7fdccadfa7469825f8a5ccbf495c24.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c03d00b356a9fc29a98684cb7af5b6.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b15ac2139923369dbeea2d8a35dc739f.png)
您最近一年使用:0次
2023-04-04更新
|
441次组卷
|
2卷引用:天津市北辰区南仓中学2022-2023学年高一上学期期末数学试题
解题方法
3 . 在
中,角
的对边分别为
.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/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de5c5e13e8ec0089a908c950b22d8e1f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa6361e919ac07ee6ed642556e1d1ae.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c181f86de3c96a7ef7a1a04c3a438f.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55f059b4b8129a7babe85fde402aca3a.png)
您最近一年使用:0次
解题方法
4 . 在△ABC中,角A,B,C的对边分别为a,b,c,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ced3937ba12072ea90e9f1da15e98fd.png)
(1)求B;
(2)若
,求a,c
(3)若
,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ced3937ba12072ea90e9f1da15e98fd.png)
(1)求B;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22a66967594a594c8aa010b812e02935.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67cf40b73e4b9b9bd9fffb7e85b95808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba5cc755857231e55af502c24bf45021.png)
您最近一年使用:0次
名校
解题方法
5 . 已知
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c276b025d8ebd8433210282f9940013f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5653b4620620d07b555e4a6c9ff91f6.png)
您最近一年使用:0次
2023-03-14更新
|
980次组卷
|
4卷引用:天津市朱唐庄中学2022-2023学年高一下学期3月阶段性测试数学试题
名校
解题方法
6 . 已知
,
.
(1)求
,
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b7913fc416becdf5fbf7fb8884fa8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d394016b9fecac73f38cbc4ff18dee2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
您最近一年使用:0次
2023-07-27更新
|
923次组卷
|
3卷引用:2022年6月天津市普通高中学业水平合格性考试数学试题
名校
解题方法
7 . 在非等腰
中,a,b,c分别是三个内角A,B,C的对边,且
,
,
.
(1)求
的值;
(2)求b的值;
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b97bb18e5ca34d22b5e827316a122a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cb21ae875f36d52d0b6f82b0201d0e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5201fc26d013f6fb889933c0e32f5c53.png)
(2)求b的值;
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65928ac7c495fe08dd339fc500f46ca8.png)
您最近一年使用:0次
2023-03-02更新
|
1236次组卷
|
3卷引用:天津市南开区南大奥宇学校2022-2023学年高三上学期第四次月考数学试题
名校
解题方法
8 . 已知
为锐角,且
,
(1)求
的值.
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92852189b59df2d81484fa33ff0f9cb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af1a331a68b888bef4469700f08adba.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8464de6d5e327710fe2e257aaca462f6.png)
您最近一年使用:0次
9 . 已知
.
(1)求
的周期及对称轴;
(2)若
,求
单调区间及最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac17727ccfaaaf6dea3245421d2f4cfe.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
名校
解题方法
10 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d6ad2272fa523a877d6f20e70887d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ccfcfacfcbb4ed85c1dc140bba86466.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-02-25更新
|
1582次组卷
|
3卷引用:天津市第一百中学2022-2023学年高一下学期过程性诊断(1)数学试题
天津市第一百中学2022-2023学年高一下学期过程性诊断(1)数学试题甘肃省兰州市第五十八中学教育集团2022-2023学年高三下学期2月建标考试数学(文科)试题(已下线)重难点专题05 三角恒等变换-2022-2023学年高一数学重难点题型分类必刷题(人教B版2019必修第三册)