解题方法
1 . 在△ABC中,角A,B,C所对的边分别为a,b,c,且
,
,
.
(1)求c;
(2)求
的值;
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3f11974b878b1c24185d84a3b978dc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82986ab38a4ae58593191ccae2a44f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad1398c5c60229f89a704e2a25ba7f6.png)
(1)求c;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9237e12801a03169294bce858436c03.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64002fe0642abaf29332b020c129987b.png)
您最近一年使用:0次
2022-04-28更新
|
1276次组卷
|
3卷引用:天津市南开区2022届高三下学期一模数学试题
解题方法
2 . 已知
的三个角A,B,C所对的边为a,b,c,若
,
,且
.
(1)求b、c的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e8368a019595201123e4738e666273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c3cd589e1b82127e22f99fb66ba4843.png)
(1)求b、c的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d8612a4c810d9be4abfb483f9033d5.png)
您最近一年使用:0次
2022-04-28更新
|
803次组卷
|
2卷引用:天津市河东区2022届高三下学期一模数学试题
解题方法
3 . 在
中,内角A,B,C所对的边分别是a,b,c,已知
,
,
.
(1)求b的值;
(2)求
;
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1522c87d9cb13c1ffc3f66886f260117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79159294ac7ac0d85887ab209a197cf.png)
(1)求b的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b01adc561735ff5be9bb97266918f2.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102d9864f3c57fd80ec8caa7e2ff722b.png)
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2022-04-27更新
|
810次组卷
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2卷引用:天津市红桥区2022届高三下学期一模数学试题
解题方法
4 . 如图,四边形ABCD中,
,
,
,
,
,M,N分别是线段AB,AD上的点且
,则
的最大值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/e1659d97-4331-450e-b7b7-8ddb4a73f6e6.png?resizew=148)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc4f3da376bd01ef33579e6eecc6f047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aea3da063704ef14c4dabc196ced0b05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27a1890d6f341a76e490d39b805864b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd92ed9c7d216873545ea59101b6ce1b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/e1659d97-4331-450e-b7b7-8ddb4a73f6e6.png?resizew=148)
A.![]() | B.![]() | C.![]() | D.1 |
您最近一年使用:0次
名校
解题方法
5 . 在锐角
中,角A,B,C所对的边分别为a,b,c.已知
.
(1)求角B的大小;
(2)设
,
,求
和
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e3f00ee305becb06619044abfcbee5.png)
(1)求角B的大小;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa602b8cb1786ea72753a5229bd2e4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/691778fc34f1de34ea68d916f3625f91.png)
您最近一年使用:0次
2022-04-27更新
|
1439次组卷
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5卷引用:天津市部分区2022届高三下学期质量调查(一)数学试题
名校
解题方法
6 . 已知
的内角
,
,
的对边分别为
,
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0b8bdbc8279abc1644a8b9478e59c43.png)
(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/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/c0b8bdbc8279abc1644a8b9478e59c43.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783d6adfa8fb1352679c5185258d842a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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
名校
解题方法
7 . 已知数
.
(1)求函数
的最小正周期,并写出函数
的单调递增区间
(2)在
中,角A,B,C所对的边分别为a,b,c,且满足
,求
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2c432ed3023013ef268655969b9532.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/95d37b2f8d5da8eaa07442b941017c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba674cd992df5835d3a9d1caf0b50a9e.png)
您最近一年使用:0次
2022-04-26更新
|
1476次组卷
|
3卷引用:天津市南开中学2022届高三下学期统练二数学试题
名校
解题方法
8 . 在
中,角
,
,
所对边分别为
,
,
,且
,
,
.
(1)求边
及
的值;
(2)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/eb573197384b9410cb951a4d1e301b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/534f33cc16d82470cbff68beffead264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6950900f2551c9b195f16d617275adfe.png)
(1)求边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7881f30b2d2473c9f3c27dacf056e20b.png)
您最近一年使用:0次
2022-04-23更新
|
1569次组卷
|
7卷引用:天津市耀华中学2022届高三下学期统练9数学试题
天津市耀华中学2022届高三下学期统练9数学试题天津市滨海新区塘沽第一中学2022届高三下学期高考模拟数学试题天津市河东区2023届高三二模数学试题天津市滨海七校2020-2021学年高三上学期期末联考数学试题天津市宝坻区第一中学2020-2021学年高三上学期第三次月考数学试题天津市第二南开学校2021-2022学年高三上学期期中数学试题(已下线)专题15 第一篇 热点、难点突破《测试卷》 -2021年高考数学二轮复习讲练测(浙江专用)
名校
9 . 已知函数
,
.
(1)
的最小正周期为___________ ;
(2)
的单调递增区间为___________ ;
(3)在ABC中,内角A,B,C所对的边分别为a,b,c,
,
,
,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6ae59a81a0b86a8ed49a5e4ebfae35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
(3)在ABC中,内角A,B,C所对的边分别为a,b,c,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/326312424ada58b564637a76618677d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
10 . 在
中,已知
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a00d6c5d80f95848a61f305e6bc394.png)
________ .若点P满足
,其中
,
满足
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0bd0d49457c41285dd8ec2ebd8fb41d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ed8128329f973dff60d13e4039957b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5784ea22dbd90af6cdceae43f80a22e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a00d6c5d80f95848a61f305e6bc394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf1a719b146cd95fdbcd35961c34212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b83b832e8ae6c85d5382a6200d60ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f645d4b09fba53f971172cd2602c691.png)
您最近一年使用:0次
2022-04-19更新
|
581次组卷
|
2卷引用:天津市第二中学2022届高三下学期5月线上测试数学试题