名校
解题方法
1 . 已知
的内角
,
,
的对边分别为
,
,
,
.
(1)求
的值;
(2)若
,
,求
的值.
![](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/4e235557ed6d18250fb37d8166e9754c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0b87a2a595f8b1d14e09a865ca489a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2022-06-30更新
|
1401次组卷
|
4卷引用:模块三 专题6 大题分类练(解三角形)(基础夯实练)(苏教版)
(已下线)模块三 专题6 大题分类练(解三角形)(基础夯实练)(苏教版)广东省深圳市2021-2022学年高一下学期期末数学试题湖北省武汉市第十一中学2022-2023学年高一下学期3月月考数学试题(已下线)模块三 专题6 大题分类练(解三角形)(基础夯实练)(人教A)
22-23高一下·江苏南通·阶段练习
名校
2 . 等边三角形
,边长为2,
为
的中点,动点
在边
上,
关于
的对称点为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/28/76cb9eef-e063-41e7-86ff-4abfa1ba66fd.png?resizew=127)
(1)若
为
的中点,求
.
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/28/76cb9eef-e063-41e7-86ff-4abfa1ba66fd.png?resizew=127)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b6c23104ed86d2fb8716141720ac2a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59809f2fa9ce4c833cdf5fe102feb8d8.png)
您最近一年使用:0次
2023-03-28更新
|
591次组卷
|
3卷引用:江苏省南通市如皋市2022-2023学年高一下学期教学质量调研(一)数学试题
(已下线)江苏省南通市如皋市2022-2023学年高一下学期教学质量调研(一)数学试题江苏省南京市中华中学2022-2023学年高一下学期5月月考数学试题辽宁省辽东区域教育科研共同体2022-2023学年高一下学期期中考试数学试题
解题方法
3 . 已知向量
与
的夹角
,且
,
.
(1)求
;
(2)求
;
(3)
与
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb7ad90cb48b4937e633e9f498b94da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6316d995f00623f05fc3d56a6cbe5f00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0580f685bd2df3c818b4e63a3f521bd3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/021cfda2b81adc33243fffdf203c9ccb.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b195aa36a3c2753ebf08cb464c52ad1e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cd8bbf47b69bbd7a6263b041290d11.png)
您最近一年使用:0次
2023-03-25更新
|
567次组卷
|
3卷引用:江苏省常州市武进区前黄实验高级中学2022-2023学年高一下学期第一次阶段检测数学试题
江苏省常州市武进区前黄实验高级中学2022-2023学年高一下学期第一次阶段检测数学试题辽宁省沈阳市重点高中联合体2022-2023学年高一下学期期中检测数学试题(已下线)模块四期中重组篇辽宁(高一下人教B版)
名校
解题方法
4 . 在梯形
中,
分别为线段
,
上的动点.
(1)求
;
(2)若
,求
;
(3)若
,求
的最小值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae256f67ef8c03a0302393e13a2bd4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3797756144db11f3dc4788d9bab6b931.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7635a9b12b0875e5c4ad5344c64291d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596f68ba4b746cab4b2c26ffce554b5a.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a499627cc8b36ff3d4264d9dbd69125e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10b773e10fc7ce108ea14ce5002d4fd5.png)
您最近一年使用:0次
2022-05-29更新
|
1174次组卷
|
5卷引用:江苏省常州市第二中学2021-2022学年高一下学期5月学情调研数学试题
名校
5 . 已知
,
的夹角为
,
(1)求
的值;
(2)求
与
夹角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43fa7b6267d8368579edd6a69f4c44da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ccba3b87a8a48ac3dd5f72d00bdb1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3357a4707fbe4ef93661a64e88881d40.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e07c25df57a36d4f1b11d7d9fe16b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b91254db5ff748150f449c5cdd256c.png)
您最近一年使用:0次
2021-02-02更新
|
2108次组卷
|
5卷引用:江苏省盐城市新洋高级中学2020-2021学年高一下学期第一次阶段测试数学试题
名校
解题方法
6 . 在
中,设角A,B,C所对的边分别为a,b,c,已知
,且三角形的外接圆半径为
.
(1)求C的大小;
(2)若
的面积为
,求
的值;
(3)设
的外接圆圆心为O,且满足
,求m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba921284c6980e8d2b25bdd18c5c7a9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求C的大小;
(2)若
![](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/88ad7941ebcdac3b688ee59fed5ab901.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb967e7a2d9d2e825bce7e26f0df9ff0.png)
您最近一年使用:0次
2022-04-28更新
|
1186次组卷
|
6卷引用:江苏省徐州市第一中学2022-2023学年高一下学期月考数学试题
名校
7 . 以
为钝角的
中,
.
(1)若
,且
,
,求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942a42bbc5abc30793245ed2965f4a56.png)
(2)若
,当角
最大时,求
的面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1bd069b35ea935375e93da13b91b6b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d18d62f2b8c06e20eb31d2007ae66cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b751e33ead651932d2145090888e7b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942a42bbc5abc30793245ed2965f4a56.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0958c17b0d01520cbfe4528f16b45bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
名校
解题方法
8 .
中,内角
的对边分别为
,已知
,
.
(1)求
外接圆的直径;
(2)若
,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/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff5f79dddc715abb2ea444dc1363697.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2c414f5e5749d2da96f8beb92370921.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
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9 . 在
中,角A,B,C所对的边分别为a,b,c,点D满足
,且
.
(1)若b=c,求A的值;
(2)求B的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b849f82428dd810e272c93a602a286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65b4ac8c6590141e03dfeb2e6fe3cc4.png)
(1)若b=c,求A的值;
(2)求B的最大值.
您最近一年使用:0次
2022-11-20更新
|
1063次组卷
|
9卷引用:江苏省盐城市2021届高三下学期5月第三次模拟考试数学试题
名校
解题方法
10 . 在平面四边形ABCD中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c33512fe882de26babf61aa9bb949c.png)
(1)若
,求
;
(2)若
求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c33512fe882de26babf61aa9bb949c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e315421fa6152654f54fa7477ccf0a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fdd0d6ed7722ecae3ce503ee2e85c46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c96d049465a04bb9d09f97c0d33f7f1.png)
您最近一年使用:0次
2023-10-25更新
|
491次组卷
|
2卷引用:江苏省南通市2023-2024学年高三上学期10月质量监测数学试题