名校
解题方法
1 . 已知
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afbdf798defe06d6696c285bd5d27274.png)
(1)求
的值;
(2)证明:
,并求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba80eb5253bed4d4834ebbf39980424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afbdf798defe06d6696c285bd5d27274.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c4f5b9edd67877c84e8b85c6985908d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152f33e0c3380e2ddb3f35781a5b5314.png)
您最近一年使用:0次
2022-03-17更新
|
151次组卷
|
2卷引用:安徽省安庆市怀宁中学2021-2022学年高三上学期12月联考文科数学试题
名校
2 . 已知角
的顶点与原点
重合,始边与
轴的非负半轴重合,它的终边过点
.
(1)求
的值;
(2)若角
满足
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/111fc953684b51df437ef2bc02290ad5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e8c732eae13c1aa87422b57917c143a.png)
(2)若角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577fd4d79427834eecacba91aa1e7afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
您最近一年使用:0次
名校
解题方法
3 . 在
中,角A,B,C的对边分别是a,b,c,且满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff916a5bb6edb3efef451046718706d5.png)
(1)求
和
的值.
(2)若
,且
的面积
,求边c的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff916a5bb6edb3efef451046718706d5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5201fc26d013f6fb889933c0e32f5c53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b01adc561735ff5be9bb97266918f2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb7c8e62fc2a32616ff70ef33c5f4448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f191ba9f8edb26216e9b5b7844d3b434.png)
您最近一年使用:0次
名校
解题方法
4 . 在
中,D是
上一点,
,
.
![](https://img.xkw.com/dksih/QBM/2021/6/27/2752127606792192/2790153768648704/STEM/523d853d-8a33-4184-9486-2e5c6c2300f4.png?resizew=245)
(1)求
的值;
(2)若
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2acebaa83211f4777cff14776d7a26c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://img.xkw.com/dksih/QBM/2021/6/27/2752127606792192/2790153768648704/STEM/523d853d-8a33-4184-9486-2e5c6c2300f4.png?resizew=245)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d58f91ea993e99c66ce1ba4ad3f12f5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7a74c3e9a8f3f11e98b4fa659a97679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
解题方法
5 . 在
中,
、
、
分别是角
、
、
的对边,
,
,
.
(1)求
;
(2)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/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6129fbf40a950fc8c516f0abaab21957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ab6134ef9b7feb98a3906d56793cd1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf0f2f407087ab2471112b32a3dbd94.png)
您最近一年使用:0次
2021-08-13更新
|
253次组卷
|
3卷引用:安徽省滁州市2020-2021学年高一下学期期中联考数学试题
名校
6 . 已知
,
.
(1)求
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b291445e61f53061200d5d0d31f678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a29a22a8bdd026f1199a4e418afcd240.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/511366b3d52171408900f2f77bfeb372.png)
您最近一年使用:0次
名校
7 . 已知
.
(1)化简
;
(2)若
是第三象限角,且
,求
的值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3289b5a06f9d01a2bf602f8ee1d1f98.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d183836a3c7d52b4cc4a2afedbd00b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9d3dc67ab31bab9ea5e07cefc4e0613.png)
您最近一年使用:0次
2021-07-23更新
|
548次组卷
|
3卷引用:安徽省亳州市第二中学2020-2021学年高一下学期期中数学试题
安徽省亳州市第二中学2020-2021学年高一下学期期中数学试题(已下线)5.3诱导公式(课堂探究+专题训练)-2021-2022学年高一数学课堂精选(人教A版2019必修第一册)辽宁省阜新市第二高级中学2022-2023学年高二上学期期末数学试题
名校
解题方法
8 . 在下列三个条件中任选一个,补充在下面问题中,并加以解答.①图象上一个最低点为
;②直线
是其图象的一条对称轴;③点
是其图象的一个对称中心.
问题:已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7f2ec4fcbc21ce0ff422deaae0da5e.png)
的图象与
轴的交点中,相邻两个交点之间的距离为
,且______.
(1)求
的解析式;
(2)若
为锐角,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a4ca12bacbf615277ca64d70c14247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c6cb0cc172657611e286e7fa669584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4383d7f8e0dd17d1f9dc3a179e124aaa.png)
问题:已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7f2ec4fcbc21ce0ff422deaae0da5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14af0b53d1bcdb86a078cc153652f1e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cdde9cc0f44745bb9e93bca06ffd0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6852640cb9453cf758354b95d797088c.png)
您最近一年使用:0次
2021-07-12更新
|
342次组卷
|
5卷引用:安徽省示范高中培优联盟2020-2021学年高一下学期春季联赛数学试题
安徽省示范高中培优联盟2020-2021学年高一下学期春季联赛数学试题江苏省苏州实验中学、木渎中学、太仓中学2020-2021学年高一下学期5月联考数学试题江苏省苏州实验中学2020-2021学年高一下学期5月学情调研数学试题(已下线)专题5.6 《三角函数》单元测试卷 - 2022年高考数学一轮复习讲练测(新教材新高考)江苏省苏州市常熟市王淦昌高级中学2022-2023学年高一下学期5月月考数学试题
名校
9 . 已知
.
(1)化简
;
(2)已知
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209dfe92391bd7689af62177a9e1d443.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ffe2a488a1a7f561319c8531fb28f1.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d45280cba404dc10396d864518b00bad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d52ead9888581774d1b42ed54b41a357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
您最近一年使用:0次
2021-01-28更新
|
326次组卷
|
2卷引用:安徽省六安市新安中学2020-2021学年高一下学期入学考试数学试题
名校
解题方法
10 . 已知
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2869c1d5bb54d1f08c63aa8b1788a4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e3727959c931222f1f0df95128e411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a176c62e15d68ad17efa9d2d6742b26.png)
您最近一年使用:0次
2021-01-17更新
|
791次组卷
|
4卷引用:安徽师范大学附属中学2020-2021学年高一上学期期末数学试题
安徽师范大学附属中学2020-2021学年高一上学期期末数学试题(已下线)10.4 三角恒等变换综合练习(基础)2020-2021学年高一数学同步课堂帮帮帮(苏教版2019必修第二册)人教A版(2019) 必修第一册 新高考名师导学 第五章 5.3 诱导公式(已下线)第03讲 诱导公式(考点讲解+分层训练)-2021-2022学年高一数学考点专项训练(人教A版2019必修第一册)