名校
解题方法
1 . 已知
为单位向量.
(1)若
,求
的夹角;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3558f401b8260cbc0b2dfd3c137fd316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c1e5b013731749932d8926f61bbcd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a22cba4730f53b3c3604ef4ea988dd.png)
您最近一年使用:0次
2024-04-24更新
|
573次组卷
|
5卷引用:河南省青铜鸣大联考2023-2024学年高一下学期4月期中考试数学试题
河南省青铜鸣大联考2023-2024学年高一下学期4月期中考试数学试题河南省濮阳市普通高中2023-2024学年高一下学期4月期中考试数学试题河南省郑州市中牟县第一高级中学2023-2024学年高一下学期5月月考数学试题(已下线)专题01 第六章 平面向量-期末考点大串讲(人教A版2019必修第二册)(已下线)专题01 平面向量(2)-期末考点大串讲(苏教版(2019))
2 . 已知
为虚数,且
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877f1a7e02a675480afc50d144782c16.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d81f5d9e0ebd65f36e4841614d38d8c3.png)
您最近一年使用:0次
2024-04-24更新
|
156次组卷
|
3卷引用:河南省青铜鸣大联考2023-2024学年高一下学期4月期中考试数学试题
河南省青铜鸣大联考2023-2024学年高一下学期4月期中考试数学试题河南省濮阳市普通高中2023-2024学年高一下学期4月期中考试数学试题(已下线)10.2 复数的运算-【帮课堂】(人教B版2019必修第四册)
名校
3 . 函数
的部分图像如图所示.
的解析式;
(2)若
,求
的值;
(3)若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ffd082d7fd097092d59b2ae4fde852f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27010021129259f849dc0d0fb42642a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2c46d4adcf012dd489b774aa90734fa.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b10f0cec1f3becd24f2e486e1422aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-04-24更新
|
748次组卷
|
3卷引用:河南省驻马店市新蔡县第一高级中学2023-2024学年高一下学期5月月考数学试题
河南省驻马店市新蔡县第一高级中学2023-2024学年高一下学期5月月考数学试题辽宁省大连市一0三中学2023-2024学年高一下学期4月月考数学试卷(已下线)专题02 三角函数的图象与性质-期末考点大串讲(人教B版2019必修第三册)
解题方法
4 . 在
中,内角A,B,C的对边分别为a,b,c,已知
.
(1)求A;
(2)若
的面积为
,周长为18,求a.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db7925785d0026bb7a38af460b76201e.png)
(1)求A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604d037b88148502a5608e0285c76f35.png)
您最近一年使用:0次
名校
5 . 某公园计划改造一块四边形区域
铺设草坪,其中
百米,
百米,
,草坪内需要规划4条人行道
以及两条排水沟
、
,其中
分别为边
的中点.
,求
的余弦值;
(2)若
,求排水沟
的长;
(3)若
,试用
表示4条人行道的总长度.
![](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/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0904a16358aab37c4042f40386d9d2d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2804e5b8e43f5c4622b96cc6dba646a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/214ba5ccd88a4f80292b4db8f81ade28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7db164a3e15489a0de6ac0203e2cba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c4340dcffb0783d118a587e5352a2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/727ad3e630a224303d6d3b8ad5c114ba.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c4340dcffb0783d118a587e5352a2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597ce705d3a2fe04d29de9e81ec6250d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
6 . 已知函数
.
(1)若
,
的最小值为
,求
的对称中心;
(2)已知
,函数
图象向右平移
个单位得到函数
的图象,
是
的一个零点,若函数
在
(
且
)上恰好有12个零点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495a8343cec47c319ab17d44de07fa31.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c879f7098e2fdfeb2b22976bf2cad89c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84582197ed0d1963e42fb03a0fa14158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460b60b613559d56138a6a7dae0c07cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db527571cfd256c515424c6f9d114284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7569cd7e9b31ad838230133b9bc8314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7961cbe98aac6a5fdee94582c341b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64da75a02173c2a5eb40f4c68d0f4f36.png)
您最近一年使用:0次
解题方法
7 . 已知
的内角
的对边分别为
.
(1)求
;
(2)若
,请判断
是锐角三角形,直角三角形还是钝角三角形?
![](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/86ebad80fcd82d9b2810d34a7f013d15.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46d53535db74f6a555b1544eb6b6adb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
8 . 已知函数
,
在
上单调递增,且
恒成立.
(1)求
的解析式;
(2)设
,若对任意
,总存在
,使得
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80ec9f4c2b55414da7ba10e9ffbd756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579537c2483ebf9638830b54a7b714b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2595be8a5c37039b42c11f2dc57f263.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2da4ec0c2649da35a18fe62082ac322c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fa5cb4b09c5042827e90f5b2071665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1d785de975a09ac9dee5df1a0e3f4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48bd584305648283baacc9d04d013eba.png)
您最近一年使用:0次
2024-04-22更新
|
228次组卷
|
2卷引用:河南省百师联盟2023-2024学年高一下学期4月联考数学试题
9 . 设
是线段
上的一点,点
.
是线段
的中点时,求点
的坐标;
(2)当
时,求点
的坐标;
(3)当
时,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a949c00526fddf435423272cf10f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e453fda86a168d28478bd9772bee9d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a949c00526fddf435423272cf10f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23fc0dbd21a6900ed74550f4ca2007f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b5bb87687b19fbc48be9068db60da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
解题方法
10 . (1)在
中,
,求
;
(2)在
中,
,判断
形状.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2fb303ad530a8e064d879a2351ab215.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e65f3ca149022d8a0ee5f70e9fa776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次