解题方法
1 . 设
,
为非零向量,则“
”是“
”的___________ 条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f96995b328c9aa52c0736989a253d099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10c4668e805d2eb7c854ec822c32868.png)
您最近一年使用:0次
2 . 平面向量
满足
,则
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96022a881e03e32d3483d997c3f170c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82abc6f15b4cf8ea66fb62a5fdd40932.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0644f878816d0633bc195b72a4867d1.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
名校
解题方法
4 . 若平面向量
(cosθ,sinθ),
(1,﹣1),且
⊥
,则sin2θ的值是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3c0d82cbb443d84763b9b1d3f88f20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c5684ccff633c427608fb5599ba1b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2859333183a1d5749eac25f8b4e3b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efda714bc270ccf8712aaf16f7b08b82.png)
您最近一年使用:0次
2020-02-13更新
|
507次组卷
|
3卷引用:北京一零一中学2020届高三上学期9月月考(二)数学试题
解题方法
5 .
的外接圆圆心为
,且
,则
等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd4f423207251b093d02a5dacacd565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
您最近一年使用:0次