名校
解题方法
1 . 平面向量
,
满足
,
与
的夹角为
,记
,当
取最小值时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0842dac317715174bcb62aa2de6473e4.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/787379f7ff8d24be7eebfea1cfe956d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3143307ad0ba4a631eac04e814993655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4c5016bd1fc6582078299b9cf8b392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eef0708d761055efb3d744336124feb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b1d3ca6106ce68efd03542d913bbb3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0842dac317715174bcb62aa2de6473e4.png)
您最近一年使用:0次
名校
解题方法
2 . 已知
内接于以O为圆心,1为半径的圆,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41c37ec75dd391d6a9ec1db2e3e7b938.png)
(1)求数量积
,
;
(2)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41c37ec75dd391d6a9ec1db2e3e7b938.png)
(1)求数量积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ace585d3cc2e113a0927cdf9e56756a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dadbf35580d48de2e6ed5ed045c22d8.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
名校
解题方法
3 . 下列说法不正确 的是( )
A.已知![]() ![]() ![]() ![]() ![]() |
B.若向量![]() ![]() |
C.若![]() ![]() ![]() |
D.若点![]() ![]() ![]() |
您最近一年使用:0次
2021-09-23更新
|
1090次组卷
|
6卷引用:重庆第二外国语学校2020-2021学年高一下学期第一学月数学试题
2019高三·浙江·专题练习
4 . 如图,在平面四边形
中,
,
.若
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a3b0cd3f1211dfffbb834ec4da6412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/605b59928346d755d95fc44b4ecb4aae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059d6df06a5b85848dc4fa33327f8e07.png)
![](https://img.xkw.com/dksih/QBM/2019/5/9/2200007794860032/2200015857098752/STEM/e58d0ca511194d5b9dcde3fb72744a55.png?resizew=150)
您最近一年使用:0次
2018-09-14更新
|
743次组卷
|
4卷引用:重庆市南岸区2019-2020学年高一上学期期末数学试题
重庆市南岸区2019-2020学年高一上学期期末数学试题(已下线)2019年一轮复习讲练测 5.4 应用向量方法解决简单的平面几何问题【浙江版】【测】【区级联考】天津市河北区2019届高三二模数学(理)试题天津市河北区2018-2019学年度高三年级总复习质量检测(二)数学(理)试题