1 . 已知函数
,其中
且
在
上有且仅有2个零点,2个极值点.
(1)求
的最小正周期;
(2)设集合
且
,已知△
,角A,B,C的对边分别为a,b,c,其中
,
,现从集合A的所有元素中任取一值作为角A的值,求使得△
存在的概率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35719c97ffa3e7d6de7d3cbadb3efff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeed4e7ba1b362da405dbb08a2cbfab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c195698ac387fe53b3b1e0248a1fcc92.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ac26396d7efcfa7d98b760d5ea8edb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a003883da50123cac58d72cd201302.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b97bb18e5ca34d22b5e827316a122a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
2024·全国·模拟预测
名校
解题方法
2 . 在①
;②
两个条件中任选一个,补充在下面的问题中,并解答该问题.在
中,内角
所对的边分别是
,且______.
(1)求角
的大小;
(2)若点
满足
,且线段
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d035afa04624216ca741ebff1e841c5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a393b5433b7bba69dea4a648692af7e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7af7c5df749c6fa9bbe87faa72c66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba1e7a657ed134e68efd159b606620f.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5001a96bebb4ee8781ede88b19c0fceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2024·全国·模拟预测
3 . 已知函数
.
(1)当
时,求函数
的单调递增区间;
(2)若函数
在
上有且仅有两个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fc3a9769dbd74b2160eeaafce83ead7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcee772e6187ac31d7f8d69b0487000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1613d377a07850c72cbec354b7a3000f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
2024·全国·模拟预测
4 . 在
中,
,
.
(1)若
的面积为
,求AB的长;
(2)如图,点P为
外一点,满足
,
,求
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f144992e1cbee34868abce1e5ad38c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55be468b08a0eaa3be786b148899cc98.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/9/ac76540f-c5e8-4c18-bff0-09952d029334.png?resizew=140)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(2)如图,点P为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ea53ab190a6e9c4ddbde71266034866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4346641491fc90d125ebbd06343382a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0433f8116768b42642a7f7e5977ce6.png)
您最近一年使用:0次
2024·全国·模拟预测
解题方法
5 . 在
中,角
的对边分别是
.
(1)求
;
(2)若
的面积为
,求
的周长.
![](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/a8b52bf802d1c97b55993fcf5c5c18cd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ab0de648f58c73e9491d623d2246f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb57d84f9bbcb3e30d4ce7e2e1e8604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2024·全国·模拟预测
名校
解题方法
6 . 已知
的内角
,
,
的对边分别是
,
,
,且
不是等腰三角形,
.
(1)求
的值;
(2)若
,求
面积的最大值.
![](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/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c905cfb830646924f793fadbb7cafd87.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62f140d8587e6e35e01da1bbdefc53e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb5bac75f36bb1dc5c8190d4dbe681d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2024·全国·模拟预测
解题方法
7 . 记
的内角
的对边分别为
.已知
.
(1)求
;
(2)若
为
的中点,且
,求
.
![](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/0101e75e327681b00e81e9ea7be6f995.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a51f9e65be8769bfbed00dd83b3d8784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92daabae2aada36f619b9ae78aefe3e6.png)
您最近一年使用:0次
2023·全国·模拟预测
解题方法
8 . 在锐角三角形
中,内角A,
,
所对的边分别为
,
,
,且
.
(1)求角
的值.
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.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/b0d84187b9afd7fe20909ede0b82b858.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea82ee2a7e9ac1ee288d2b353eb8afcc.png)
您最近一年使用:0次
2023-11-22更新
|
1433次组卷
|
7卷引用:2024年普通高等学校招生全国统一考试·信息卷文科数学(四)
(已下线)2024年普通高等学校招生全国统一考试·信息卷文科数学(四)(已下线)高考2024年普通高等学校招生全国统一考试?信息卷数学(七)(已下线)第二篇 “搞定”解答题前3个 专题1 三角解答题【练】 高三逆袭之路突破90分(已下线)专题6.8 解三角形的综合应用大题专项训练-举一反三系列(已下线)第15讲 拓展三:三角形周长(边长)与面积问题-【帮课堂】(人教A版2019必修第二册)(已下线)2024年高考数学全真模拟卷04(已下线)专题4.3 正弦定理和余弦定理【八大题型】
2023·全国·模拟预测
9 . 在
中,内角
,
,
所对的边分别为
,
,
,已知
.
(1)求角
的大小;
(2)若
,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/e70253f2265d78f5242145de6e13e96d.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30ee6ee1571558429950fe2a71914e3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次
名校
10 . 已知函数
的最小正周期为
.
(1)求
的值,并写出
的对称轴方程;
(2)在
中角
的对边分别是
满足
,求函数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca701a0799a91c482ec6021b4f6197e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20b3a91ccf6028608cd03df7072f6536.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在
![](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/ad313bd6ef4fd10b2347b110d3eb6741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38e3d87be9f706832ef25537d78a201b.png)
您最近一年使用:0次
2023-10-22更新
|
1668次组卷
|
7卷引用:2024年高三模拟押题卷02
(已下线)2024年高三模拟押题卷02上海市行知中学2024届高三上学期开学考数学试题(已下线)专题05 三角函数(5大易错点分析+解题模板+举一反三+易错题通关)吉林省延边州2024届高三下学期教学质量检测一模数学试题(已下线)黄金卷01(已下线)专题05 三角函数(已下线)信息必刷卷02(江苏专用,2024新题型)