名校
解题方法
1 . 在
中,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facd1fcfad659e95da18c38e5eb157b8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0334bc85843337c4dfcfdc5c638f9f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facd1fcfad659e95da18c38e5eb157b8.png)
您最近一年使用:0次
名校
2 . 若
,
,并且
,
均为锐角,且
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78ed90572f0533b84c50312bc78e405d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f1035e3272dd97e135723b711f55bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90df641ab645927ee577e79faf18dcdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3884b343d76a26b4b85b48987d7064.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . 在
中,角
、
、
的对边分别为
,
,
,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/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190901b1458a127ccb38f9a81d97ba95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa8d75a6638e08eedbff8662267da6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e3fc39d2b508cc1cae769a5e7266c0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-09-13更新
|
632次组卷
|
3卷引用:重庆市西北狼教育联盟2023-2024学年高二上学期开学学业调研数学试题
解题方法
4 . 已知角
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de8f050c5de45537eb1c3f7606b5bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c0ab5cdc54961db545b7b18702cad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0b2d7a5516dce6ea330ce09d7d80d5.png)
A.![]() | B.![]() ![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次
2023-09-05更新
|
558次组卷
|
3卷引用:江苏省镇江市丹阳市2023-2024学年高二上学期期初质量检测数学试题
解题方法
5 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f39950b17f726cf3f1622994995da4d.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d394016b9fecac73f38cbc4ff18dee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9bc052a11cf1a01445992672dde2836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f39950b17f726cf3f1622994995da4d.png)
您最近一年使用:0次
2023-09-05更新
|
526次组卷
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5卷引用:湖南省株洲市炎陵县2022-2023学年高二下学期开学考试数学试题
湖南省株洲市炎陵县2022-2023学年高二下学期开学考试数学试题(已下线)5.3 诱导公式(精练)-《一隅三反》(已下线)第04讲 5.3诱导公式-【帮课堂】(已下线)5.3 诱导公式(5大题型)精讲-【题型分类归纳】(人教A版2019必修第一册)福建省莆田市2023-2024学年高一上学期期末数学试题
名校
6 . (1)已知
,
,求
;
(2)已知
,
,求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b537caabf48eba393b8985b107bdbd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf03a58092188dec5f009b39b3fe5cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473376f9b2e72818028a16426bf56077.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8280dd9c34fe270aa3e6956058a798a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9909a621527d554cd081e1180548212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb79cf6456b0670a259a15c662d1f502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b45be5fcd3d4c48b2819fc63238a8d1.png)
您最近一年使用:0次
2023-09-04更新
|
121次组卷
|
2卷引用:黑龙江省大庆市东风中学2023-2024学年高二上学期开学考试数学试题
名校
7 . 已知
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137739372880c55fcfd61efeeaba4eab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a7655b04f803d82351c8b8c641cc501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3919d3025f2ac71c46f181218429.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 .
的内角
的对边分别为
,已知
,
,
.
(1)求
的值;
(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/783d6adfa8fb1352679c5185258d842a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99f2f1eb2beb23690f56a68dc7da08cb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次
名校
解题方法
9 . 在
中,若
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cac4a35b76897277784988e61c22c705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa6361e919ac07ee6ed642556e1d1ae.png)
您最近一年使用:0次
2023-08-23更新
|
364次组卷
|
2卷引用:云南省大理市大理白族自治州民族中学2023-2024学年高二上学期开学考试数学试题
名校
10 . 已知
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98f2e2a9d9c467fc4ad18655a24ab93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b847e684c93b6ba350219754bf18d76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feb8fc508d8bd666bfcf97c5e823f408.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-08-22更新
|
793次组卷
|
4卷引用:浙江省嘉兴市海盐高级中学2023-2024学年高二上学期返校评估测试数学试题
浙江省嘉兴市海盐高级中学2023-2024学年高二上学期返校评估测试数学试题安徽师范大学附属中学2022-2023学年高一下学期期中数学试题(已下线)5.3 诱导公式(精讲)-《一隅三反》(已下线)第04讲 5.3诱导公式-【帮课堂】