1 . 设
的内角
,
,
所对边的长分别是
,
,
,且
,
,
,则
( )
![](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/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cb21ae875f36d52d0b6f82b0201d0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
解题方法
2 . 已知
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcbe8b4bcd32e5a64ebfd873f8cbb2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32765147748e1f46ec22fea051991b14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5acb85cce3c0e8690fb31a0fd8b53a5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 已知
,
.
(1)求
的值:
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa7d6aca3d470e5310aebc83345ee09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1c8eb633c7f9c87c55c1bec7d25e159.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f84a25527e54ee2614e3b5e99ef8a3d4.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f69ed37311c101fb76b9cbd1738700.png)
您最近一年使用:0次
2022-11-03更新
|
232次组卷
|
2卷引用:贵州省遵义市2023届高三上学期第一次统一考试数学(文)试题
4 . 锐角
中,
,则边c的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68084a07d7fd405ddbd9474440f5734a.png)
A.2 | B.![]() | C.3 | D.![]() |
您最近一年使用:0次
5 . 下列各式中,值等于
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
6 . 设
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55455d41da4d9d0fd66514bc2f8fc0b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b0ff5f03410079fcb86c9428b033369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9525470f1cf22ac14c7c8592f1da0433.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 下列化简正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-06-06更新
|
395次组卷
|
2卷引用:贵州省黔东南州2021-2022学年高一下学期期中考试数学试题
8 . 若
,
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ad4562b276e4d76014da9726e84c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a9ab2359e856eea54b26827d3757612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
您最近一年使用:0次
解题方法
9 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e888ea14da893971e13858945bf0cd.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fd9f3e253f4cc3a22afe87415fbb8d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e888ea14da893971e13858945bf0cd.png)
您最近一年使用:0次