名校
解题方法
1 . 已知a,b,c分别为
三内角A,B,C所对的边,且
.
(1)求A;
(2)若
,且
.
(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/abb1181944eb81a72ffcab4f18265663.png)
(1)求A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366a644c1b94c4f8f7359cda1c4f614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b09e62ea06d99aea5083ff829082be.png)
(i)求c的值.
(ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a813ac2240802948f24450af806702d.png)
您最近一年使用:0次
2023-09-09更新
|
560次组卷
|
2卷引用:天津市第一中学2023-2024学年高三上学期开学考试数学试题
名校
2 . 已知向量
,记函数
,若
在
上单调递增.则
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c63a826f7bd3632d22f7de508a382c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7aa1233d7a93113281594c41f25c7db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0334c6dd3d0d5a8118be36805face079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
2023-09-06更新
|
968次组卷
|
3卷引用:天津市静海区北师大实验学校2023-2024学年高三上学期第一阶段评估数学试题
名校
解题方法
3 . 已知
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f503333f529141bad5555b989bed9bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcbe8b4bcd32e5a64ebfd873f8cbb2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac49b46d7102c2c76b9d488c129e601.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-09-04更新
|
675次组卷
|
2卷引用:天津市天津中学2023-2024学年高三上学期第一次阶段性检测数学试题
名校
解题方法
4 . 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
|
1071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
名校
解题方法
5 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c63c7bcd1c50411c00ece2c44f23de0.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e33deec29aba69276e2dd91c733bc77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c63c7bcd1c50411c00ece2c44f23de0.png)
您最近一年使用:0次
2023-09-01更新
|
383次组卷
|
2卷引用:天津市第二十一中学2023-2024学年高三上学期第一次月考数学试题
名校
解题方法
6 . 已知
为锐角,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee1fcc865966a7d9c8c31916035bc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0657471a9fa1e4ecea6643ee71988964.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-08-23更新
|
1683次组卷
|
8卷引用:天津市南开区南开中学2024届高三上学期统练3数学试题
天津市南开区南开中学2024届高三上学期统练3数学试题云南省保山市普通高(完)中2023届高三上学期期末质量监测数学试题贵州省贵阳市第一中学2024届高三上学期开学考试(8月月考)数学试题四川省江油市太白中学2023-2024学年高三上学期9月月考数学文科试题(已下线)模块一 专题4 三角函数与解三角形(人教A)1四川省绵阳市三台县三台中学校2023-2024学年高三上学期第一学月测试数学(理)试题(已下线)高一上学期期末数学试卷(巩固篇)-举一反三系列(已下线)FHsx1225yl183
7 . 已知
,
.
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9330f5a1902fe99fc5edd744fbe9146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcbe8b4bcd32e5a64ebfd873f8cbb2b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e279db1a3ff1d610d7acd95de7cc2f99.png)
您最近一年使用:0次
名校
解题方法
8 . 在
中,角
,
,
所对的边分别为
,
,
,已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aef0fd9199af0f72978f8204a9fa062.png)
(1)求角
的大小;
(2)若
,
,求边
及
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/2aef0fd9199af0f72978f8204a9fa062.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1d3b4d4e6dba0352c14b6845b46863f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c2dbf9f00ba360a31ca4cf66ce5e6c.png)
您最近一年使用:0次
2023-06-14更新
|
1687次组卷
|
3卷引用:天津市武清区杨村第一中学2023届高三下学期第一次热身练数学试题
名校
解题方法
9 . 已知
中,角
的对边分别为
,若
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5079480167e41719c598ec60d406f1d.png)
(1)求
的长;
(2)
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/6e5bfa8dffc0052e575f40103ef640fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5079480167e41719c598ec60d406f1d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a47a732914fdde829ec4bdc23166c867.png)
您最近一年使用:0次
名校
解题方法
10 . 在
中,
,
,
分别为角
,
,
所对的边,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/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/b2e5387867c44fd8b2add4443c51f623.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc0e0168f3053deaa3d88ede3ea52bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6402f1010e94be78552ed4c45548b1b8.png)
您最近一年使用:0次