名校
1 . (1)已知
,化简:
;
(2)已知
,
,
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a17491898e262bf44270327387e38ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5ed07a38e965f998958801086c513f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd24c8f0c65cb162074dd487f1dfe0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2009f499bd63e2abcdad449710ed6dfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e744af0f65e797a35d976c20f2dac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80493d763d23b64e24cf758d6197f225.png)
您最近一年使用:0次
2023-05-20更新
|
439次组卷
|
3卷引用:安徽省淮南市2023-2024学年高一上学期期末联考数学试卷
名校
解题方法
2 . 已知在
中,角
,
,
的对边分别是
,
,
,面积为
,且_____.
在①
,②
;③
这三个条件中任选一个,补充在上面的问题中,并根据这个条件解决下面的问题.
(1)求
;
(2)若
,点
是
边的中点,求线段
长的取值范围.
![](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/cf231f8f86fb922df4ca0c87f044cec3.png)
在①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbbbd5c5b9a0ca638101ddda98ab2b30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c64ff86fae680725b91daca71dae0fd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aea151b20b055db004888c18fdf0edb5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8332410a7d9d85f62f01cf008de38ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
您最近一年使用:0次
2023-05-19更新
|
599次组卷
|
2卷引用:安徽省定远中学2023届高考一诊数学试卷
名校
3 . 已知函数
为奇函数,且其图象相邻两对称轴间的距离为
.
(1)求
和
;
(2)当
时,记方程
的根为
,
,
,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7e035646bae62c365f94ef01f56734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0bea56b442640ebcb5c4906754f6e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d84460ad497c0f86d3cd3f78b403380c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fc0ce080b8ad8b63ba63259c680b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0b4d6646f8da6d9c37f18979f6814d.png)
您最近一年使用:0次
2023-05-15更新
|
607次组卷
|
2卷引用:安徽省皖北县中联盟2023届高三5月联考数学试题
名校
解题方法
4 .
的三个内角
所对边的长分别为
,其外接圆半径为R,内切圆半径为r,
满足
,
的面积为6,则( )
![](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/2650f336973e5d3aec1158a4d813bd36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fadd09b5fc6588f126014bfd5931847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-05-12更新
|
692次组卷
|
4卷引用:安徽省安庆市第一中学2023-2024学年高一下学期第一次阶段检测数学试题
安徽省安庆市第一中学2023-2024学年高一下学期第一次阶段检测数学试题浙江省杭师大附2022-2023学年高一下学期期中数学试题(已下线)模块一 专题3 解三角形(1)(人教B)(已下线)模块四 专题4 重组综合练(安徽)
解题方法
5 . 记
的内角
的对边分别为
,已知
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/13/364a8ebc-ff55-4a6e-a1a3-3d0a345df10b.png?resizew=123)
(1)求角
的大小和边
的取值范围;
(2)如图,若
是
的外心,求
的最大值.
![](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/2bd5b9bbd3d22bd2cef53dd4b9691257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110c3a643844725bdebd66011de7263a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/13/364a8ebc-ff55-4a6e-a1a3-3d0a345df10b.png?resizew=123)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)如图,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15167b49aad18e17a3b4e58ad6b61c13.png)
您最近一年使用:0次
名校
解题方法
6 . 如图,某学校有一块平面四边形
空地,已知
,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/23/d24e29eb-6ebc-4c16-b986-de27f5969f6e.png?resizew=120)
(1)求
,
两点间的距离;
(2)设
的角
的对边分别是
,且满足
,现要在
内做一个最大的圆形花圃,求这个最大圆形花圃的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc4ac054bcc580dc6f5654d1e326d47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dbf31dfd36aa456a63bafea8bc1985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d17a79a7e19d74c65818b0962f47372.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/23/d24e29eb-6ebc-4c16-b986-de27f5969f6e.png?resizew=120)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](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/6ee37de9ad32a4ba3cd1f4dde4fb5482.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-05-11更新
|
407次组卷
|
3卷引用:安徽省皖中名校(宿松中学、程集中学等)2022-2023学年高一下学期期中联考数学试题
名校
解题方法
7 . 在①
,②
,③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f6cef6fcef0d1cbba47f319f66ce7b.png)
.这三个条件中任选一个,补充在下面的横线上,并加以解答.
在△ABC中,角A,B,C所对的边分别为a,b,c,已知
,
.
(1)若
,求△ABC的周长;
(2)若 ,求
的值.
注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef8ad9f9cf060771d47d36cde93afae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a67d2986eb079cae361856130baf4689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f6cef6fcef0d1cbba47f319f66ce7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32e2f2d7147cf1699fbfdef9cf4af74.png)
在△ABC中,角A,B,C所对的边分别为a,b,c,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a81eedf404aeb0a2310a310910f73d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e86f3b859a01f55beb8dc8ce5f5c30a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759ee5f5ca252f6acce1aacea9d17fa6.png)
(2)若 ,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721e29b775e696045f44a4b1e7f74ef2.png)
注:如果选择多个条件分别解答,按第一个解答计分.
您最近一年使用:0次
名校
解题方法
8 . 已知
分别为
的内角
的对边,且
.
(1)求角
;
(2)若
的面积为
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](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/0a47b60e0976e811cdd6d9e19573e347.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcb73a2dc40069c748730f6bac9031e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-05-07更新
|
2826次组卷
|
6卷引用:安徽省六安第一中学2022-2023学年高一下学期期中考试数学试题
名校
解题方法
9 . 已知函数
,若函数
在
有且仅有两个零点,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913ef6072dafdb265e73868f9a8c7994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . 已知函数
图象的相邻两条对称轴之间的距离为
,且
的图象经过点
.
(1)求
的解析式;
(2)设函数
,若
在区间
上的取值范围是
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40899755d6535746c1ea5574a146adf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de1a5747fe5b134d03bb11c59d2dfafe.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3760fe47d6332beb58076833b3a6cb7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c98fe8dc83ef94f632ee2b30914b5b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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