名校
1 . 已知直线
:
(
为参数),
:
(
为参数).
(1)当
时,求
与
的交点;
(2)设曲线
上任一点为
,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80ec4ec4b327af5ca3338b5045a707aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/227d865a2286728fa4ad40e2f603dcc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e2c8d466ab8eb5ecd38060b53bbe8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d259822ab64b8626f3893b8432673358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7143af551bf2e1942686726e2bc09c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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2 . 在锐角
中,角
的对边分别为
,
.
(1)求角
的大小;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/e726fcd27b317d4dde46858708d98551.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8120119749d4bc28067e73fca7d46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dfa04ed69eb5e36931c076e0cf3f01e.png)
您最近一年使用:0次
2018-09-30更新
|
1323次组卷
|
5卷引用:【全国百强校】黑龙江省大庆实验中学2019届高三上学期第一次月考数学(理)试题
名校
3 . 设
的内角
的对边分别为
已知
.
(1)求角
;
(2)若
,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9178fc8b5d65aa75fa9196294a0db7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd596d0b8ee4f1a7a1dbbe9daee9ebfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f725331875704be4d778ec70e548c6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fedd5f9057d497c718ccde4e555ef14a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7ed049f8d33b7ce57556820a68c1830.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb31b077599b867e78d06a338531d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c16a428491dfa60259f06636b5491a83.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5fbcc3e8083952c0e886c064cfedd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5713fb36a05ebf7489fca94635174af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9178fc8b5d65aa75fa9196294a0db7e.png)
您最近一年使用:0次
2018-11-01更新
|
1324次组卷
|
7卷引用:【全国百强校】黑龙江省大庆中学2017-2018学年高一下学期期末考试数学试题
名校
解题方法
4 . 已知
的内角
所对的边分别为
.向量
,
且
.
(1)求
;
(2)若
,求
周长的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d882789bbc93352b3e20bb0f2cb51822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9543e6c3c4e445f3eb772bc12102375e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/401078c16ea92130b47f728bea699c62.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
您最近一年使用:0次
2018-08-11更新
|
904次组卷
|
3卷引用:【全国百强校】黑龙江省哈尔滨师范大学附属中学2017-2018学年高一下学期期中考试数学试题
【全国百强校】黑龙江省哈尔滨师范大学附属中学2017-2018学年高一下学期期中考试数学试题黑龙江省鹤岗市第一中学2019-2020学年高一4月月考数学试题(已下线)广西柳州铁一中学2018-2019学年高二上学期段考数学科试题
11-12高三上·黑龙江大庆·期末
5 . 已知
、
、
分别为
的三边
、
、
所对的角,向量
,
,且
.
(1)求角
的大小;
(2)若
,
,
成等差数列,且
,求边
的长.
![](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/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/4cc967b368b7b8024724b71104b0dcca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1714a25996b4a21018babcf8d9b59727.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8e95eb28a6fcd49793ffc152e2dcf2.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bc10d94077af7f8118e2f26c8503ede.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次
名校
6 . 在
中,角
所对的边分别为
,且满足
.
(1)求角
的大小;
(2)设
,且
的最大值是
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/1137d70c697d54f87e0f793a11583aa1.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b42e9a7c28df30a2d6f7c95859d5c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1bfc9cd5c0202d1eeb8c3574309ab2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2017-04-16更新
|
1039次组卷
|
3卷引用:2016-2017学年黑龙江省佳木斯市第一中学高一下学期第一次月考数学试卷
名校
7 . 已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/2017/2/16/1625398445187072/1625577873121280/STEM/ab6f126392f94345852784e0abadcc66.png?resizew=198)
(1)求函数的解析式;
(2)将函数
的图象上所有点的纵坐标不变,横坐标缩短为原来的
,再将所得图象向右平移
个单位,得到函数
的图象,求
的单调递增区间;
(3)当
时,求函数
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa6e3317bce5fa53fcf77c81dfdcbbe.png)
![](https://img.xkw.com/dksih/QBM/2017/2/16/1625398445187072/1625577873121280/STEM/ab6f126392f94345852784e0abadcc66.png?resizew=198)
(1)求函数的解析式;
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc6e69ad1a27916fb5c3d5901ded134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a3a4ce3201d71cf66cd92641da4da2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6150b80607c99d00e7de85b21200d8ff.png)
您最近一年使用:0次
名校
解题方法
8 . 在
中,角
、
、
所对的边分别为
、
、
.已知
.
(1)求
;
(2)若
,
的面积为
,求
.
![](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/88047f31c94fe857080765dd2b734167.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a091c40bda0934be159ff1913719f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-02-08更新
|
1337次组卷
|
4卷引用:黑龙江省鸡西市第四中学2022届高三三模数学(理)试题
12-13高一上·黑龙江·期末
名校
9 . 已知
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a063e71e3c42a3da83b356a6fc9a59d.png)
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b02a4afa8d1105d5af5564b59b29ed2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7c943c7ab66d955e3803e868e4d8300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ad30805c440c1a73d21aeef6042fbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a063e71e3c42a3da83b356a6fc9a59d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a3c17b5fa1b8242723cab0c8813008.png)
您最近一年使用:0次
2016-12-01更新
|
2395次组卷
|
16卷引用:2011-2012学年黑龙江省哈六中高一上学期期末考试数学试卷
(已下线)2011-2012学年黑龙江省哈六中高一上学期期末考试数学试卷【全国百强校】四川省成都外国语学校2018-2019学年高一下学期期中考试理科数学试题四川省成都外国语学校2018-2019学年高一下学期期中考试文科数学试题辽宁省协作校2019-2020学年高一下学期期中考试数学试题(已下线)专题4.2 简单的三角恒等变换-2021年高考数学(文)一轮复习-题型全归纳与高效训练突破(已下线)专题4.5 三角恒等变换(精练)-2021年高考数学(文)一轮复习学与练(已下线)考点18 三角恒等变换-备战2021年新高考数学一轮复习考点逐一攻克(已下线)第4讲+二倍角公式与三角变换的应用(讲义)-【教育机构专用】2021年春季高一数学辅导讲义(沪教版2020必修第二册)江苏省镇江中学2021-2022学年高三上学期10月月考数学试题(已下线)专题18 变幻莫测的三角恒等变换-备战2022年高考数学一轮复习一网打尽之重点难点突破湖南省长沙市雅礼中学2023届高三上学期第一次月考数学试题3.1二倍角公式课后习题2020-2021学年高一数学北师大版(2019)必修第二册第四章 3.1二倍角公式-北师大版(2019)高中数学必修第二册北京名校2023届高三一轮总复习 第3章 三角函数 3.3 和、差、倍角的三角函数关系(1)(已下线)第十章 三角恒等变换(压轴题专练)-单元速记·巧练(苏教版2019必修第二册)江苏省镇江中学2023-2024学年高一下学期期中检测数学试题
11-12高三上·浙江绍兴·期末
名校
10 . 在△ABC中,角A,B,C所对的边分别为a,b,c,且满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df56781e76c1b28fdad4049486306941.png)
(I)求角B的大小;
(II)若b是a和c的等比中项,求△ABC的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df56781e76c1b28fdad4049486306941.png)
(I)求角B的大小;
(II)若b是a和c的等比中项,求△ABC的面积.
您最近一年使用:0次