名校
1 . 已知
是同一平面的三个向量,
.
(1)若
,且
,求
的坐标;
(2)若
,且
,求
与
夹角
的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab464eea99514b65a735b5ac8bcc4d2a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52cbb1365e7a6188515d14ae1d2dd94e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076559f08d17fb25e82886e791719e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10be0cccbe32bdffc57c9e605304add7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79f6334020e6432cb0f7ee4161ccd2f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
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解题方法
2 . 已知
的内角
所对的边分别为
,设向量
,
,且
.
(1)求角
;
(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/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e318924a035233b830c7e282d2fa23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce58e0ddad9ab8022d951234dda550f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b907456faac5d0995bd73f7da94c9b8.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2024-05-07更新
|
1021次组卷
|
2卷引用:云南省昆明市云南师范大学附属中学2023-2024学年高一下学期教学测评月考(六)数学试题
名校
解题方法
3 . 已知
,
,向量
与
的夹角
.
(1)若
,求
的值;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ae0d7b3266f32b6a916b6237b6b838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b113dc271cf51b3018bd1de14edf73ad.png)
![](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/dd15ead753cf2927f51d07c7727c6cd9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fdfdde9b476b75a41e1debfad166cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b62225b07c8f22e197bc30e686930150.png)
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解题方法
4 . 已知复数
在复平面上对应点在第一象限,且
,
的虚部为2.
(1)求复数
;
(2)设复数
、
、
在复平面上对应点分别为
、
、
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f32c241a1b97713333e7e8f0962503f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ea3cc01ce7266cdf0fd73fd50d23c8.png)
(1)求复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)设复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ea3cc01ce7266cdf0fd73fd50d23c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd734caf3253274b76d59f6359bc51e0.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/5a47b376264d525c790ebad49a849c08.png)
您最近一年使用:0次
2024-05-07更新
|
385次组卷
|
4卷引用:山东省济宁市育才中学2023-2024学年高一下学期期中考试数学试卷
山东省济宁市育才中学2023-2024学年高一下学期期中考试数学试卷广东省广州市增城中学2023-2024学年高一下学期期中数学试题(已下线)5.2.2复数的乘法与除法-【帮课堂】(北师大版2019必修第二册)山东省潍坊市部分学校2023-2024学年高一下学期第二次月考数学试题
解题方法
5 . 已知
,
,
.
(1)求
与
的夹角;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/145a7e8f352fab613b773dc6639b508b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b113dc271cf51b3018bd1de14edf73ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75b899a300a457c4e209a1a09a352acf.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/306a26067793803bc8b268fd8a9e53a3.png)
您最近一年使用:0次
解题方法
6 . 已知向量
满足:
,夹角为
.
(1)求
;
(2)求
;
(3)若与
方向相同的单位向量为
,直接写出
在
上的投影向量.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6ed8d3b62ffddd5e8b07954d4eec558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e16eb319ee454088f5b527cf6c4d5.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebeb2df0690c4dfbe7f53008760a92c.png)
(3)若与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c984376f5475184e0d3e4f7e1bb65f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
您最近一年使用:0次
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7 . 互相垂直且有公共原点的两条数轴构成平面直角坐标系.如果坐标系中两条坐标轴不垂直,那么这样的坐标系就称为斜坐标系.如图,设
是平面内相交成
角的两条数轴,
分别是与
轴、
轴正方向同向的单位向量.若向量
,则把有序数对
叫做向量在斜坐标系
中的坐标.
,求
;
(2)若
与
的夹角记为
,求
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c092d69df76faf1e2133dc96b466ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10814bc3db929e79874befe96cf4e3d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5253a9a71037d60059b60237824193b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff1b27f67a2190739f8fe8d71ad22652.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38b39413539656b05f7f5ec6e3fe0b0a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe98724f0d478f589425ac0b7b3066a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
2024-05-06更新
|
234次组卷
|
3卷引用:福建师范大学附属中学2023-2024学年高一下学期期中考试数学试卷
名校
解题方法
8 . 已知向量
.
(1)求
的坐标与
;
(2)求向量
与
的夹角的余弦值;
(3)若
与
夹角为钝角,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ec2951d88e9d8a7160ea8f3854208e3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f97b606445f8561e66ae725bc72def10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c2a83fad3941e98cdf0bed4f64ee4b.png)
(2)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae98586d80f892771c90ab39eaced90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac99a273b6920085438b66ce74b31ef.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae98586d80f892771c90ab39eaced90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a87c03982d3af82c243fe0cca504f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
9 . 已知向量
,
,
(1)若
,求实数
的值;
(2)若
,求向量
与
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9083888b0d8a168a46a983575dba2820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b21e6df500c68ff7a9ae440511b9fb4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/568277c7a425c0ee42f15c8f08fd08a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9747e75a539f594ae8bbd854e6a43089.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
您最近一年使用:0次
2024-05-04更新
|
525次组卷
|
3卷引用:四川外语学院重庆市第二外国语学校2023-2024学年高一下学期期中考试数学试题
四川外语学院重庆市第二外国语学校2023-2024学年高一下学期期中考试数学试题(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)湖北省襄阳市第五中学2023-2024学年高一下学期5月月考数学试题
名校
10 . 已知向量
,
,且
.
(1)若
,求
的值;
(2)求
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5957615bbd3adb2c186044516538259c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f49c94c8b933013d9f5d867bf47ab3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a67c1962c3ed8ad1e3a689ebac4b6b31.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93af88a7628c71d642d3a6df067c15f5.png)
您最近一年使用:0次
2024-05-04更新
|
295次组卷
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3卷引用:江苏省镇江中学2023-2024学年高一下学期期中检测数学试题
江苏省镇江中学2023-2024学年高一下学期期中检测数学试题江西省南昌市第十九中学2023-2024学年高一下学期5月期中考试数学试题(已下线)专题02 三角恒等变换题型归纳-《期末真题分类汇编》(江苏专用)