解题方法
1 . 已知
是圆
上两个点,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8948862628548b8c910e3c77980fde29.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c72229b08c676c08a3c7258895375f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7fa3aea72ccc36948a4a90f7368f71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8948862628548b8c910e3c77980fde29.png)
您最近一年使用:0次
解题方法
2 . 在
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/634d6f7a95c2c1484be3324e5a53953c.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/501fabcaa88db6929a593294baa37989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/634d6f7a95c2c1484be3324e5a53953c.png)
您最近一年使用:0次
3 . 在
中,内角
所对的边分别为
.已知
,
.
(1)求
;
(2)求角
和角
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b378a2df371f5ff1815c03a84f571229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40fe401db356f2d6e9b7adc9a19d8fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a7142170a779e0d700ca172705f12c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc55958052fa753c48d49fa7038e9882.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
解题方法
4 . 在
中,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92f0ab90bd372a599ce58d5d214e9f36.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
名校
5 . 已知向量
.
(1)若
,求
的值;
(2)若
,求向量
与
夹角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13656c9a68fbdb1489f0ef373e1060e8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8eafb341060b35ffaf7ec2c1e0f5c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cfe95f520c7b454ceabb2ae9af0a87.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799c186733b281397143992e6b33c7b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
您最近一年使用:0次
2024-04-13更新
|
402次组卷
|
2卷引用:云南省丽江润泽高级中学2023-2024学年高一下学期3月月中考数学试题
名校
解题方法
6 . 在
中,角
,
,
的对边分别为
,
,
,若
,
,则
是( )
![](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/d2b82bb73ff9f47d9744c514ac2767ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd6958d3984cf458375068a772a2634c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.钝角三角形 | B.等边三角形 |
C.直角三角形 | D.等腰直角三角形 |
您最近一年使用:0次
2024-04-13更新
|
759次组卷
|
4卷引用:云南省丽江润泽高级中学2023-2024学年高一下学期3月月中考数学试题
云南省丽江润泽高级中学2023-2024学年高一下学期3月月中考数学试题四川省甘孜藏族自治州某重点中学2023-2024学年高一下学期4月期中考试数学试题天津市汇文中学2023-2024学年高一下学期期中考试数学试题(已下线)专题04 解三角形小题常考题型归类-期末考点大串讲(人教B版2019必修第四册)
7 . 在
中,角
所对的边分别为
,若
,则
的面积为( )
![](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/6d8d053ade3cc9d9bf825eb4a4325cfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
解题方法
8 . 已知
是
三边长且
,
的面积
.
(1)求角
;
(2)求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba1e7a657ed134e68efd159b606620f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc365d7037709240df6c31f203bd4472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee67feee0a1c1a9c4e1f2478c622b78.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2024-04-13更新
|
2243次组卷
|
5卷引用:云南省丽江润泽高级中学2023-2024学年高一下学期3月月中考数学试题
云南省丽江润泽高级中学2023-2024学年高一下学期3月月中考数学试题(已下线)模块五 专题6 全真拔高模拟2(高一人教B版期中 )(已下线)模块三 专题2 解答题分类练 专题4 解三角形(解答题)(已下线)模块一 A基础卷 专题6 解三角形(人教B版)甘肃省武威第十八中学2023-2024学年高一下学期期中考试数学试卷
解题方法
9 . 已知a,b为正数,
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d676a58fa4d7c4e8985b85c033495c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e2a1f25bfb0c3fd1e7e699a153f946.png)
A.1 | B.2 | C.4 | D.8 |
您最近一年使用:0次
2024-04-12更新
|
945次组卷
|
2卷引用:云南省丽江润泽高级中学2023-2024学年高一下学期开学考试数学试题
解题方法
10 . 已知.
(1)若角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901d78ddfff74884866bc5067476a676.png)
(2)若将角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec0ffb548604f2055fa27127266349.png)
您最近一年使用:0次