名校
解题方法
1 . 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
2 . 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
解题方法
3 . 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
4 . 已知函数
,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5555d99aaf3f56e9a96bf12803d4c835.png)
A.![]() ![]() | B.直线![]() ![]() |
C.![]() ![]() | D.若![]() ![]() ![]() |
您最近一年使用:0次
2023-04-25更新
|
638次组卷
|
2卷引用:安徽省皖南八校2023届高三三模数学试卷
5 . 函数
与函数
的图象关于点
对称,记
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca96e340b1b7692256029b79a84956d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ecd99ecc761ae5bde5b9712833a9ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e15c2171c1be9ec394494ad822a048d.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
6 . 已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef150cee0d3ed17ea20f7be338ea425d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ba9fe7609d34e74c0c3dcd9cb2f150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46633126b05b861f384a6f6551fc81b7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-09-06更新
|
2929次组卷
|
11卷引用:安徽省安庆市第一中学2022届高三第三次模拟考试理科数学试题
安徽省安庆市第一中学2022届高三第三次模拟考试理科数学试题 安徽“小高考”2024届模拟考试数学试题2023年山西省运城市景胜中学业水平考试数学试题(已下线)专题13 三角恒等变换压轴题-【常考压轴题】专题04C三角恒等变换(已下线)第09讲 5.5.1.2 二倍角的正弦、余弦、正切公式-【帮课堂】(已下线)5.5 三角恒等变换-同步精品课堂(人教A版2019必修第一册)(已下线)第03讲 5.5三角恒等变换+5.6 函数y=Asin(ωx+φ)(1) -【练透核心考点】天津市耀华中学2023-2024学年高一上学期期末学情调研数学试卷(已下线)热点3-1 同角三角函数基本关系、诱导公式与三角恒等变换(8题型+满分技巧+限时检测)(已下线)专题4.1 同角三角函数关系式、诱导公式与三角恒等变换【八大题型】
7 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92111c87c9d07e9c47f8e6bf7c1515a0.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2023-04-15更新
|
727次组卷
|
3卷引用:安徽省(九师联盟)2023届二模数学试卷
名校
解题方法
8 . 设函数
,若锐角△ABC的内角A,B,C的对边分别为a,b,c,△ABC外接圆的半径为R,
.
(1)若
,求B;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f88b7017df2b8ba926b49b9ad4a761cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8701a7fc50d809968cf7268ec44330.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0d5cf8c22d0cf93274939d92963665.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a566eea7fadfb8f8d9f7a2f894120dd.png)
您最近一年使用:0次
2023-04-14更新
|
1361次组卷
|
9卷引用:安徽省滁州市定远县育才学校2023届高考冲刺数学试卷(四)
名校
解题方法
9 . 设
的内角A,B,C所对的边分别为
,
,
,且有
.
(1)求角A;
(2)若BC边上的高
,求
.
![](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/a2c715f8c0c4fa4de3a415c6041612dc.png)
(1)求角A;
(2)若BC边上的高
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a560fb66b4826ec767ea8b4b9a6d6d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424258051d6d5e8733130cc09379c865.png)
您最近一年使用:0次
2023-04-13更新
|
3479次组卷
|
7卷引用:安徽省滁州市定远中学2023届高三下学期毕业生调研考试(二)数学试卷
解题方法
10 . 设
的内角
、
、
的对边分别为
、
、
,已知
.
(1)判断
的形状,并说明理由;
(2)求
的最小值.
![](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/54c6c2a720e08776fba148a951b011ea.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2202b34c566ed4259cb103bc9f38bd.png)
您最近一年使用:0次
2023-04-08更新
|
1099次组卷
|
2卷引用:安徽省宣城市2023届高三第二次调研测试数学试题