名校
解题方法
1 . 在平面凸四边形
中,
,
,
.
(1)当四边形
内接于圆O时,求四边形
的面积
;
(2)当四边形
的面积最大时,求对角线
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c41757ae282475fb29ec1e8e02045d.png)
(1)当四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(2)当四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
您最近一年使用:0次
2023-08-09更新
|
249次组卷
|
6卷引用:江苏省扬州中学2020-2021学年高一下学期期中数学试题
江苏省扬州中学2020-2021学年高一下学期期中数学试题四川外语学院重庆第二外国语学校2020-2021学年高一下学期五月月考数学试题【市级联考】江苏省徐州市2018-2019学年高一下学期期中考试数学试题江苏省泰州市兴化市2022-2023学年高一下学期期中理科数学试题江苏省苏州市南京航空航天大学苏州附属中学2022-2023学年高一下学期6月月考数学试卷(已下线)第一次月考解答题压轴题十六大题型专练(1)-举一反三系列(人教A版2019必修第二册)
名校
解题方法
2 . 记
的内角A,B,C的对边分别为a,b,c,向量
,
,且
.
(1)求C;
(2)若
,求
周长的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2ee7c0e0aeefad56886c9effb83321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b630b8dff65b88d18eedd77e5695746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
(1)求C;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1ec9c5eaed4c211a040a2a33fb7c91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2022-05-23更新
|
396次组卷
|
5卷引用:广东省佛山市实验中学2021-2022学年高一上学期阶段性考试数学试题
3 . 已知向量
=(cos x,sin x),
,x∈[0,π],若f(x)=
,求f(x)的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2ab0d22374def87ada69a55043f077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0fe4d834e8eaca89ceaf9c64cdabd9.png)
您最近一年使用:0次
4 . 在
中,
.
(1)求角
;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5ff52ee8d8fecaaf151becba9ad4aa5.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d52cc29c62cdee11a00825c031213fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
您最近一年使用:0次
5 . 设函数
(
)的最小正周期为
.
(1)求
的单调递增区间;
(2)当
时,求方程
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b40201c26acfbdd691847b81726333cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30884f6bcf33868f0e4ff543f0b8c48d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb381ac86308c6249bc7e8737cdc668d.png)
您最近一年使用:0次
2021-11-22更新
|
484次组卷
|
2卷引用:上海市格致中学2021-2022学年高二上学期期中数学试题
名校
解题方法
6 . 在△ABC中,角A,B,C所对的边分别为a,b,c.
(1)若1+2cosAcosB=2sinAsinB,求角C;
(2)若
,求角C.
(1)若1+2cosAcosB=2sinAsinB,求角C;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242234b6cbdf9e8e9301fa70c07c158d.png)
您最近一年使用:0次
2021-11-12更新
|
739次组卷
|
6卷引用:浙江省金丽衢十二校2021届高三下学期第二次联考数学试题
浙江省金丽衢十二校2021届高三下学期第二次联考数学试题(已下线)【新东方】【2021.5.19】【SX】【高三下】【高中数学】【SX00138】新疆喀什地区莎车县第一中学2022届高三上学期期中数学试题新疆喀什市第六中学2021-2022学年高二上学期期中考试数学试题山东省济南外国语学校三箭分校2021-2022学年高三上学期模拟考试数学试题(已下线)专题4.三角函数与解三角形 -《2022届复习必备-2021届浙江省高考冲刺数学试卷分项解析》
解题方法
7 . 已知
,
,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c388a0b52d306aa97600383faa03c508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c94a0f8976c1cc8f00b4e37a8ed4db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c645d9779994f97d5afaf889dc18816d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd927b4b5a7875528c1b54aa4bb8b2dd.png)
您最近一年使用:0次
8 . 在
中,角
,
,
的对边分别为
,
,
,已知向量
,
,且满足
.
(1)求角
的大小;
(2)若
,且
的面积为
,求
的周长.
![](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/2209c80763d33b64c7d5bd28878158d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d06fef413f4d172c0d88960fe6a0ed39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5516d9c58ff128e4d2df15f6aa3301.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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
2021-08-26更新
|
330次组卷
|
2卷引用:广东省汕头市潮阳区2020-2021学年高二上学期期末数学试题
名校
解题方法
9 . 在
中,角
所对的边分别为
,且
.
(1)求角
;
(2)若向量
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03fcf73cde7268ff28755a628625fc89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c6a33b870cecb682b8ca2ee1cca832.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b02039341824af8b679021cf4a403e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d9062a6262701adb31181132297e28f.png)
您最近一年使用:0次
2021-08-01更新
|
303次组卷
|
2卷引用:山东省德州市2020-2021学年高一下学期期末数学试题
解题方法
10 . 请在①
,②
,③
这三个条件中任选两个,将下面问题补充完整,并作答.
问题:在
中,
,
,
分别是角
,
,
的对边,且
,___________,___________,计算
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7275a2536ff9335f750281642dbaa51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73818824a1369628d79778e12efd6832.png)
问题:在
![](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/8082bc760a2bcb52f8be5926a0f93602.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2021-05-05更新
|
401次组卷
|
3卷引用:江西省上饶市2021届高考二模数学(理)试题