名校
1 . 已知圆
:
,过点
的直线l与圆相交于不同的两点
,
,若
,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c587d1d14772b21abb0d7e2fbf14c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d059a0d71bddb677c603d84fac444b.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/add945cc1b236d28ea32ed1f7fd7dfd7.png)
您最近一年使用:0次
名校
2 . 已知
,
,
.
(1)求
的最小正周期;
(2)求函数
在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b08286a5468ebcf122c07122f2cd508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cf4c8f9f557a57915492497de9f562a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e7b2150ed88d3ffdec3d142617eacf.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
您最近一年使用:0次
2021-10-12更新
|
310次组卷
|
2卷引用:安徽省宿州市砀山中学2021-2022学年高二上学期第一次质量检测数学试题
3 . 如图所示,在正六棱柱
中,
.
![](https://img.xkw.com/dksih/QBM/2021/9/22/2813708310519808/2814901830221824/STEM/3ca0c31e-4379-465f-b331-643f6082b961.png?resizew=274)
(1)指出向量
分别在
,
方向上的投影向量;
(2)求向量
在
方向上的投影数量.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858be9a2f30a22cfdebeaa5bf2e45b4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://img.xkw.com/dksih/QBM/2021/9/22/2813708310519808/2814901830221824/STEM/3ca0c31e-4379-465f-b331-643f6082b961.png?resizew=274)
(1)指出向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72b50c0e015c0b9203efcf14079cde87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd98a891fa65f2fc6688001b03185d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfbbc6b762627c2b49f207724682e9a2.png)
(2)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfbbc6b762627c2b49f207724682e9a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd0cecf5c102254b9755e42a80c3948.png)
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解题方法
4 . 已知向量
与
的夹角为
,
,
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231b861d6d1f1d0b9f52b041cb40eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9936a46cc891744d4600f76bb92b694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082c6926889f84f438ea35f70bf05f02.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4bd9b8cc54822fbea2ac8d72a3ec2c1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/208683a5ffda4cbc3ecfb41a4b0863ee.png)
您最近一年使用:0次
2021-09-15更新
|
428次组卷
|
6卷引用:云南省峨山彝族自治县第一中学2021-2022学年高二9月月考数学试题
解题方法
5 . 已知直线
,直线
,点
在直线
上.求:
(1)求
的值;
(2)求直线
和直线
的交点坐标;
(3)求直线
和直线
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83d1adc4111246ca5712a5dfc38349ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2172aa60b03d8c7e570bee35a9fa1d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(3)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
您最近一年使用:0次
2021-09-14更新
|
293次组卷
|
2卷引用:福建省福清西山学校2021-2022学年高二9月月考数学试题
解题方法
6 . 已知向量
,且
,其中
.
(1)求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefafd5922b0081735cae85e2c78160f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70facc9bc02af0867d248407bd317c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6eec7d75a66a4407631f75320bb8b15.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40a3a31c1a20a92db101116507449135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c568de487f8e6a4d38dbf146235186f0.png)
您最近一年使用:0次
名校
解题方法
7 . 已知
,
.
(1)求
;
(2)当
为何实数时,
与
平行?平行时它们是同向还是反向?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e745905cf02d7165c2a2dfddcee05f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bfa9f707159864b8b3e2f308493738e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b922dad9ed6459ab0db042dc685ede99.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0035fcdc6a2dfb5836f4dc93dcaf9386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9534eb6ae67a9a2ef6ba5eaf9cfcd7.png)
您最近一年使用:0次
2023-03-01更新
|
570次组卷
|
9卷引用:四川省双流中学2021-2022学年高二上学期入学考试数学(理科)试题
四川省双流中学2021-2022学年高二上学期入学考试数学(理科)试题 上海市大团中学2018-2019学年高二上学期期中数学试题(已下线)专题2.3 平面向量【专项训练】-2020-2021学年高一数学下学期期末专项复习(沪教版2020)湖南省邵阳市邵东市第三中学2020-2021学年高一下学期第三次月考数学试题安徽省宿州市灵璧县渔沟中学2020-2021学年高一下学期期末数学试题2015-2016学年贵州省遵义航天高中高一上学期期末数学卷四川省遂宁市高中2016-2017学年高一下学期期末教学水平监测数学试题四川省遂宁市2016-2017学年高一下学期期末考试数学试题甘肃省兰州市兰州新区兰州新区高级中学2022-2023学年高一下学期期末数学试题
8 . 已知平行四边形
的三个顶点
对应的复数分别为0,
,
.
![](https://img.xkw.com/dksih/QBM/2021/5/14/2720973807345664/2805128809512960/STEM/591efdd584c143758a3320c8175d4eb6.png?resizew=151)
(1)求
表示的复数;
(2)求
表示的复数;
(3)求点
所对应的复数;
(4)求对角线
,
的交点
对应的复数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e52646f314d46b8127d5d1b10459e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e260c8ee5d70fc3482e9a7efc40767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96731f270181787efb5c13cdd388ed47.png)
![](https://img.xkw.com/dksih/QBM/2021/5/14/2720973807345664/2805128809512960/STEM/591efdd584c143758a3320c8175d4eb6.png?resizew=151)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a7f004f23ec3f968d885cb111aac4e2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00490134f8caa9cc28910fb1aaff85e7.png)
(3)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(4)求对角线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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名校
解题方法
9 . 在
中,
,
,
,
是边
上一点,
,设
,
.
,
表示
;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.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/c59802bde1dc59ba9000157b08463b2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7a93a1399ff7a2bde342652479241b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae92f0c583cc9daf980a8621ad96aef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd98a891fa65f2fc6688001b03185d0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12cd088a6f16ee92bb314494426f11c.png)
您最近一年使用:0次
2021-09-08更新
|
985次组卷
|
8卷引用:江西省靖安中学2020-2021学年高二上学期第一次月考数学试题
解题方法
10 . 已知
.
(1)若
与
垂直时,求k的值;
(2)若
与
平行时,求k的值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a0cdf48265836a44b4d5802abd27ea.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40436543cc51f42b5b5d93e55a407ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bca35e52b8430246a1cf96e9e617cce.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40436543cc51f42b5b5d93e55a407ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bca35e52b8430246a1cf96e9e617cce.png)
您最近一年使用:0次