解题方法
1 . 我国历史悠久,各地出土文物众多.甲图为湖北五龙宫遗址出土的道家篆书法印.图乙是此印章中抽象出的几何图形的示意图.如图乙所示,在边长为2的正八边形ABCDEFGH中,P是正八边形边上任意一点,则
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab7aaa871ceb78e5b80b531a7cf4f1c9.png)
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解题方法
2 . 已知向量
,
满足,
,
,
,
的夹角为
.
(1)
;
(2)若
,求实数
;
(3)若
与
的夹角为钝角,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29276b43a2950ed71f0f9629a35dfa74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194537355c89656428e712610562c234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596a3ee5d8473fc6619ea7730e13325b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f5cd0526a2cf3917645c641174e00d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a126bb16b6ab8644a8e8d33f6909224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1afc391105ca04c187e6be5bd77acc78.png)
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3 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a125a4ba99419d7957b40fac1b4132bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
您最近一年使用:0次
2024-06-11更新
|
351次组卷
|
3卷引用:浙江省东阳市外国语学校2023-2024学年高二下学期5月月考数学试题
解题方法
4 . 正方形
边长为1,平面内一点
满足
,满足
的
点的轨迹分别与
,
交于
,
两点,令
,
分别为
和
方向上的单位向量,
,
为任意实数,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9545017eee79a71befee621b52c8cae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f592eafa851abc2d11bba6ed631bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304a7f07db2ec637baadf8f0ab91c85c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce1a440d286703dd8708bd214832567.png)
A.3 | B.![]() | C.![]() | D.![]() |
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名校
5 . 在平行四边形
中,
为
的中点,
,
与
交于点
,过点
的直线分别与射线
,
交于点
,
,
,
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/058ad87fcd4d084543f98955f9dffc26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b2a46bb6c3aaa280f1873484993736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29fbf471189d760905c80310b4cfe9b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcaac97efa5492fc72fb0f773f0c4861.png)
A.1 | B.![]() | C.![]() | D.![]() |
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2024-05-09更新
|
893次组卷
|
7卷引用:浙江省湖州市第二中学2023-2024学年高一下学期5月月考数学试题
浙江省湖州市第二中学2023-2024学年高一下学期5月月考数学试题重庆市育才中学校2023-2024学年高一下学期阶段测试数学试题(已下线)高一下学期第三次月考模拟卷(新题型)--同步题型分类归纳讲与练(人教A版2019必修第二册)(已下线)期末押题卷01(考试范围:苏教版2019必修第二册)-【帮课堂】(苏教版2019必修第二册)(已下线)核心考点1 平面向量的运算 B提升卷 (高一期末考试必考的10大核心考点 )(已下线)专题1 以线性运算为背景的复杂问题【讲】(高一期末压轴专项)四川省仁寿第一中学校(北校区)2023-2024学年高一下学期5月期中质量检测数学试题
名校
解题方法
6 . 平面向量
满足
,对任意的实数
,不等式
恒成立,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d0692c60541a453ce8cc40c9ce9aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9edc0b0cc199ece25a8a74b2bc5aa59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895fee9d5587d8a9126f29bdd7a7d38d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269cd73d9d02d2b08b962c94de421db1.png)
您最近一年使用:0次
2024-04-29更新
|
463次组卷
|
3卷引用:浙江省杭州市西湖高级中学2023-2024学年高一下学期5月月考数学试题
浙江省杭州市西湖高级中学2023-2024学年高一下学期5月月考数学试题福建省福州市八县(市、区)协作校2023-2024学年高一下学期4月期中考试数学试题(已下线)专题01 平面向量(1)-期末考点大串讲(苏教版(2019))
名校
解题方法
7 . 在锐角
中,已知角A,B,C所对的边分别为a,b,c,且
.
(1)求角C的大小;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e237a0563508de3c15c2bd8f680e1b.png)
(1)求角C的大小;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d3a54afdbd1efc259d8be8cf1890a5.png)
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解题方法
8 . 向量
,
,
,
.
(1)求
;
(2)若
,
,向量
的夹角为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010632a752a68ced11aaf8ac2f3be311.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f082ecee986281f05ee38aa11a50e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46b85eb5d4866f6661beed802fa9f20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c17c5bde88762233bf20c8b6e4ec619.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596a3ee5d8473fc6619ea7730e13325b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff959fd97e7ad214e07e136563e70bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675c34ffc5540451f4e5f9c24b0d6be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662917aedec92809a13618093c8e0c3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
解题方法
9 . 已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc99b5d8589343d970f82744f9be5a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a953f619de5a63c6393e1fdd157a556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbec06c538a3ef51362ed820ac4e1ee.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
10 . 已知圆O的半径为2,弦
的长为2,C为圆O上一动点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5f917d1b45f16210a509b40c14a9cc0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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