名校
解题方法
1 . 已知a,b,c分别为
三个内角A,B,C的对边,且
.
(1)求A;
(2)若
,求
的值;
(3)若
的面积为
,
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5667d09afb0fa7d66db5e4a1461672f2.png)
(1)求A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01a832ecd4bd6b6a373d0e50bc02e063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37805b569421d7485cc59cf7a0c6fe29.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f83dbfddc6f98548699ed581e8c8608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2022-11-11更新
|
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4卷引用:天津市五校联考2022-2023学年高三上学期期中数学试题
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a616951993fdbf9344383e942c83cc2.png)
(1)求
的最小正周期及单调递减区间;
(2)求
在区间
上的最值;
(3)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a616951993fdbf9344383e942c83cc2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d58d39c54e3749e2adac8cd481ad9250.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba150f6799de4aadf957bf229e8197d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f112867b48f58d7af94f3a073b5ce14.png)
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2022-10-24更新
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4卷引用:天津市西青区杨柳青第一中学2022-2023学年高一上学期期末数学试题
天津市西青区杨柳青第一中学2022-2023学年高一上学期期末数学试题天津市四校(杨柳青一中、咸水沽一中 、四十七中,一百中学)2020-2021学年高一上学期期末联考数学试题山东省泰安市新泰市第一中学北校2022-2023学年高三上学期期中考试数学试题(已下线)高一上期末测试卷(A基础巩固)-【新教材优创】突破满分数学之2022-2023学年高一数学重难点突破+课时训练 (人教A版2019必修第一册)
名校
解题方法
3 . 在
中,内角A,B,C所对的边分别为a,b,c.已知
.
(1)求角C的度数;
(2)求
的值;
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ea4f0ff188a0446ce00f55076177ccc.png)
(1)求角C的度数;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8120e471da616fd96428c532cd93184f.png)
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2022-05-24更新
|
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5卷引用:天津市环城七校联考2022届高三下学期第二次质量调查数学试题
名校
4 . 在钝角
中,角
,
,
所对各边分别为
,
,
,已知
,
,
.
(1)求边长
和角
的大小;
(2)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/9f34365e5040ce6944115c8da61bf110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6f36b68775caf523d33948e1ac1371.png)
(1)求边长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b93910ebd3f97f59dc278e4ab98739.png)
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2022-04-01更新
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2卷引用:天津市西青区杨柳青第一中学2022届高三下学期3月第一次适应性测试数学试题
名校
解题方法
5 . 设直线
与函数
、
、
的图象在
内交点的横坐标依次是
、
、
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc3d6c93c32fe56460502930dbf188b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c65d71e57e6e7697e2f627dcd58583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffa8ddcbbe89ab0f250f56673e2d36c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f00f2f6ab162f9333ec55db195d663b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f782125b1704fc285e77ce66ccd960e9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-02-18更新
|
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6卷引用:天津市第三中学2022届高三下学期二模数学试题
天津市第三中学2022届高三下学期二模数学试题湖南省邵阳市邵东市2021-2022学年高一上学期期末质量检测数学试题江苏省宿迁市泗阳县实验高级中学2021-2022学年高一下学期第一次月考数学试题(已下线)第01讲 两角和与差的三角函数-【帮课堂】2021-2022学年高一数学同步精品讲义(苏教版2019必修第二册)江苏省宿迁北附同文实验学校2022-2023学年高一下学期3月月考数学试题江苏省徐州高级中学2022-2023学年高一下学期3月月考数学试题
6 . 已知
,且
.
(1)求
的值;
(2)求
的值;
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad0800db5af1f5c360504d2d8f5cb5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba80eb5253bed4d4834ebbf39980424.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8680d9ef1853bfe030c6422a46b89b25.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b35987b15f29625da5afbeffe7e549b.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd2bc192468026593f5c6b4da761191.png)
您最近一年使用:0次
名校
解题方法
7 . 在
中,角
的对边分别为
,若
,且
的面积为
,
.
(1)求角
的大小及
;
(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/b6a193a8b55d53183990a7ea3d88d9fb.png)
![](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/405bf49eac8e1e7cf70ea425448b4f21.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f3a180c35808d1fe14ae17876c4cc0.png)
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2022-05-08更新
|
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7卷引用:天津市滨海新区塘沽第一中学2022届高三下学期线上教学调研(一模)数学试题
名校
8 . 在
中,角
所对的边分别为
已知
.
(1)求角
的大小;
(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/832a6ae04b25ef0896bd607cdcda60ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68d2b8f02d7a2e196d79035f6fb3ae5c.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c181f86de3c96a7ef7a1a04c3a438f.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e8bb04a2bb14963877251c7eec8fa52.png)
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2021-05-03更新
|
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9卷引用:天津市河西区2022-2023学年高三上学期期中数学试题