1 . 平面向量
与
的夹角为60°,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcdccd9d882fb75845576952d8d6b564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41b430d73f1854db961e2022cee806ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/285a78e061d318c724971ce7def2d8dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcdccd9d882fb75845576952d8d6b564.png)
A.![]() | B.![]() | C.19 | D.![]() |
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名校
2 . 若点
在角
的终边上,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10be12fe42332ab8da8853faba491c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-02-08更新
|
2813次组卷
|
7卷引用:陕西省汉中市留坝县中学2023-2024学年高一下学期阶段性学习效果评估(五月月考) 数学试卷
11-12高三上·浙江杭州·阶段练习
名校
解题方法
3 . 已知向量
,
满足
则
![](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/05a5b0fde9257fcb1a1f2764afe85724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02d69c233f69dd7cfadaa0086a0aa218.png)
A.0 | B.![]() | C.4 | D.8 |
您最近一年使用:0次
2016-12-01更新
|
1350次组卷
|
8卷引用:2013-2014学年陕西省南郑中学高一下学期期末考试数学试卷
(已下线)2013-2014学年陕西省南郑中学高一下学期期末考试数学试卷(已下线)2011届浙江省杭州师范大学附属中学高三上学期第一次月考数学文卷(已下线)2012届陕西省交大附中高三第三次诊断理科数学试卷(已下线)2011-2012学年四川省南山中学高一下学期期中考试数学试卷(已下线)2011-2012学年河北省冀州中学高二下学期期中文科数学A试卷2015-2016学年山西大学附属中学高一下期中数学试卷高中数学人教A版必修4 综合复习与测试河南省周口市太康县第一高级中学2022-2023学年高一下学期2月月考数学试题
4 . 若扇形的圆心角为2弧度,半径为2,,扇形的面积是
A.![]() | B.2 | C.4 | D.![]() |
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5 . 已知
,
,若
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/444f4482665514c58635337c5c920021.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d45dc7cfe858de243ef3600d81038d1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a683d9cd5f84e07bc351819d9dd96df4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
A.-1 | B.1 | C.-4 | D.4 |
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6 . 已知向量
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc009cdbdb648e63e75034b9763e1e79.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70a74c4b3abcbdfa030e23ab2f1afa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14dded96f83cbf1bd633c8986ba5523c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069da5c624837df29947b7b8bf722097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc009cdbdb648e63e75034b9763e1e79.png)
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7 . 若锐角
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19c523e776c497b995b29abb066e9c95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.png)
您最近一年使用:0次
2017-02-16更新
|
1156次组卷
|
4卷引用:陕西省汉中市2020-2021学年高一下学期期中联考数学试题A卷
8 . 已知向量
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31463b348f21711420670df9d7d03a8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a490841970a2fc448828e57859a50385.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7256b2b93de13a4390ca1d5840ae664f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51e96d40c30f1282db42520501cf54e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31463b348f21711420670df9d7d03a8.png)
您最近一年使用:0次