名校
1 . 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b1029ae8e4120c872408387aea94a3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b994996d7b81d392f87d61cd90e4813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d07be6c7fd2a3670d4b34170418c23b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b1029ae8e4120c872408387aea94a3.png)
您最近一年使用:0次
2022-06-28更新
|
392次组卷
|
2卷引用:内蒙古呼伦贝尔市满洲里市第一中学2021-2022学年高二下学期期末考试数学(文)试题
名校
2 . 如图所示,椭圆
的离心率
,左焦点为
,
,
,
分别为左顶点、上顶点和下顶点,直线
与
交于点
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/2303ab35-2c0f-40a5-bd4b-785784470708.png?resizew=193)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd83d64a2db079482e35c2bce8ef0fb0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/2303ab35-2c0f-40a5-bd4b-785784470708.png?resizew=193)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-09-24更新
|
1420次组卷
|
3卷引用:内蒙古赤峰二中2021-2022学年高二上学期第一次月考数学(理)试题
名校
3 . 若
的内角
满足
,则
的最大值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9178fc8b5d65aa75fa9196294a0db7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae1567d8f98fabc1a3948f8602cc5e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f3038b02a35ab9649763699ee306cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd56481712ec10305f4523f6136a38fa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-11-07更新
|
460次组卷
|
3卷引用:【全国百强校】内蒙古鄂尔多斯市第一中学2018-2019学年高二上学期期中考试模拟数学(理)试题
【全国百强校】内蒙古鄂尔多斯市第一中学2018-2019学年高二上学期期中考试模拟数学(理)试题【全国百强校】甘肃省兰州第一中学2019届高三9月月考数学(文)试题(已下线)狂刷15 三角恒等变换-学易试题君之小题狂刷2020年高考数学(理)