名校
1 . 已知
,
.
(1)求
的大小;
(2)设函数
,
,求
的单调区间及值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a837149d753a3457daeb1eef3a90f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bcae5a98ebac83e8ba25c068ac4b436.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c739b5b68c5dc757b5a88152bd4b9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2023-05-12更新
|
1196次组卷
|
5卷引用:天津市耀华中学2023届高三一模数学试题
天津市耀华中学2023届高三一模数学试题湖南省常德市第一中学2023-2024学年高三上学期第二次月考数学试题(已下线)第四章 三角函数与解三角形 第四节 第一课时 三角函数的图象与性质(一)(B素养提升卷)(已下线)第02讲 三角恒等变换(练习)(已下线)模块四 专题5 大题分类练(三角)基础夯实练(人教A)
解题方法
2 . 在
中,角
,
,
所对的边分别为
,
,
,且
,
,
.
(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/6659fe1eab34f15c83af3bde702f882b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd07e8a88a2413704e90721ab49315f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32f2d4d1d2c16c54b2caef17840bfcb.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f49672156b2e2ae2671041ed7a879a6a.png)
您最近一年使用:0次
名校
3 . 在
中,角
,
,
的对边分别为
,
,
,已知
.
(1)求角
的大小;
(2)若
为锐角三角形,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/a244e8745a54b23a85c61532509a6c68.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/1d0daa424d7dd5148109c31f894a314f.png)
您最近一年使用:0次
2023-05-02更新
|
838次组卷
|
3卷引用:天津市五所重点学校2022-2023学年高一下学期期中联考数学试题
名校
解题方法
4 . 在非等腰
中,
,
,
分别是三个内角
,
,
的对边,且
,
,
.
(1)求
的值;
(2)求
的周长;
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/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/b32f2d4d1d2c16c54b2caef17840bfcb.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6fa9b3ebd39d5add347e187084544f.png)
您最近一年使用:0次
名校
解题方法
5 . 已知
的内角A,B,C的对边分别为a,b,c,且
.
(1)求
;
(2)若
,
,求a,c;
(3)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcbff1d1a54002c7d7b965b743e81aa2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a60ac5588aca10a2c429e104049d1924.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67cf40b73e4b9b9bd9fffb7e85b95808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dffc610600a1abdfac3b448c91aad23.png)
您最近一年使用:0次
2023-04-29更新
|
1229次组卷
|
4卷引用:天津市十二区重点学校2023届高三下学期毕业班联考(二)数学试题
天津市十二区重点学校2023届高三下学期毕业班联考(二)数学试题天津市滨海新区塘沽第一中学2023-2024学年高三上学期第一次月考数学试题天津市第二南开学校2023-2024学年高三上学期期中数学试题(已下线)河北省石家庄市2023届高三质量检测(一)数学试题变式题17-22
解题方法
6 . 已知
的内角A,B,C的对边分别为a,b,c,满足
.
(1)求角A的值;
(2)若
,
,
(ⅰ)求
的值;
(ⅱ)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281d55e08df1f49cb9a23348ac1fa363.png)
(1)求角A的值;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1892446e9f5c057a6d72a64065d01ff.png)
(ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
(ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6b79e4f9c5642bf9b67f354aa2d3781.png)
您最近一年使用:0次
解题方法
7 .
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
8 . 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
9 . 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
10 . 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