名校
解题方法
1 . 在
中,
,
,
,
,则
的最小值为______ ,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/284a563413dc0532138fb2a64db8cc2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6741e23953ab20244bebcab631689e6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb825053b6b0576cd5c34f0a3ce20726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0805287e2bd7aaf9a7eacf5bca06c0e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2020-11-29更新
|
621次组卷
|
3卷引用:河北省张家口市2021届高三上学期第一阶段检测数学试题
名校
2 . 已知向量
,
,点
,
.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c02942aa5dd2319b358c83dea06b07d.png)
________ ;在直线
上,存在一点
,使得
,则点
的坐标为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e8c5dc2809906c8b9874cb4b96cd61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26770d73779b8ff5715c2de8f2cac56d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03552446d1dd0b34ce3cad0f1303423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e80a9175f0bf5c38853e9af5865e5c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c02942aa5dd2319b358c83dea06b07d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a07e031bdedd6ce4918fd388d423eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
您最近一年使用:0次
名校
解题方法
3 . 已知双曲线
的焦点为
,
,实轴长为2,则双曲线
的离心率是______ ;若点
是双曲线
的渐近线上一点,且
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c08475517a5a699eaf43e975a49855b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f00babe10971b71caf8cffb72412950d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98b4f48acc2dcef77f9d495a3c71747b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4085b194990fc17f8073878b8eca1a29.png)
您最近一年使用:0次
2020-07-14更新
|
984次组卷
|
7卷引用:北京市陈经纶中学2020~2021学年度高二12月数学月考数学试题
解题方法
4 . 在矩形
中,已知
,
,
为
上一点.
(1)若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f594898ac298fb28edc09796ad3ca899.png)
_____ ;
(2)若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f594898ac298fb28edc09796ad3ca899.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e3e7ca8d61e3b8b944d5b3905355bbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f594898ac298fb28edc09796ad3ca899.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6895035630ceb7851061e1da82f935b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f594898ac298fb28edc09796ad3ca899.png)
您最近一年使用:0次
2020-04-12更新
|
610次组卷
|
4卷引用:中原金科大联考2019-2020学年高三4月质量检测数学(文)试题
中原金科大联考2019-2020学年高三4月质量检测数学(文)试题2020届中原金科大联考高三4月质量检测数学(文)试题(已下线)文科数学-2020年高考押题预测卷01(新课标Ⅱ卷)《2020年高考押题预测卷》(已下线)第一次月考填空题压轴题十四大题型专练-举一反三系列
解题方法
5 . 已知
,
,且
,则向量
与向量
夹角的大小是______ ,向量
在向量
上的投影是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd18461fd9d77e6fa46a654f0ab540f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939955fcd19578dc8f37415c60b187ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391c98a888108f96b49811e06fb28307.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/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
您最近一年使用:0次
2020-03-28更新
|
305次组卷
|
2卷引用:辽宁省本溪市燕东高中2019-2020学年高一下学期线上段考新教材数学试题
6 .
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb837e55386b7e49373d6c7bea0388b3.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f233803ccc487b243f31ae3b2846d60.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e41b3f0247a91adc28cd92b834adbc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c27b6ddd76448605c1f9072153291bd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb837e55386b7e49373d6c7bea0388b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/511d08faefa7ada66edc91fe105be188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f233803ccc487b243f31ae3b2846d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
您最近一年使用:0次
2020-04-23更新
|
104次组卷
|
2卷引用:广西百色市百色民族高级中学2021-2022学年高一下学期素质拓展数学试题
7 . 已知向量
的夹角为60°,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
________ ;若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0719844e0261af3b625d9673e5926.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ccba3b87a8a48ac3dd5f72d00bdb1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43fa7b6267d8368579edd6a69f4c44da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2fa39d901654e0cb14ed55d1fab98e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eedd1c8dbb1390c79bc0442ae26f513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0719844e0261af3b625d9673e5926.png)
您最近一年使用:0次
2020-05-27更新
|
207次组卷
|
2卷引用:浙江省嘉兴市2018-2019学年高三上学期9月教学测试数学试题
8 . 在
中,
,
,
,
,则
的最小值为______ , 又若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99f2f1eb2beb23690f56a68dc7da08cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30d25d65e334f74fb3bb39d83f15c283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361123c76c18b70c89f9ecff84143900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07797bdf32e21846f9cb1aa5a5d2f45e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2017-05-12更新
|
1226次组卷
|
4卷引用:浙江省杭州市第二中学2019-2020学年高三上学期第一次月考数学试题
浙江省杭州市第二中学2019-2020学年高三上学期第一次月考数学试题浙江省嘉兴一中、杭州高级中学、宁波效实中学等2017届高三下学期五校联考数学试题浙江省杭州第二中学2021届高三下学期6月仿真热身数学试题(已下线)05练-冲刺2020年高考数学小题狂刷卷(浙江专用)
解题方法
9 . 若向量
与
满足
,
,
.则向量
与
的夹角等于________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59e912b86e064e678ab34210f3fa02ef.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/47a99de24f1bdd9dbd91327a25c54f1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082c6926889f84f438ea35f70bf05f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/651ea21709173040f2fb60e343422891.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/59e912b86e064e678ab34210f3fa02ef.png)
您最近一年使用:0次
2016-12-03更新
|
714次组卷
|
2卷引用:2015届浙江省嘉兴市高三下学期教学测试二理科数学试卷