设
,
分别是双曲线
的下、上焦点,P是该双曲线上的一点,且
,则
的面积等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5861c73e9fad4192f39af18014061c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed5c336ee85fc0fd268fd8c47a3fb6a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
A.![]() | B.![]() | C.![]() | D.![]() |
23-24高二上·河北石家庄·期中 查看更多[4]
河北省石家庄市部分学校2023-2024学年高二上学期期中数学试题(已下线)第三篇 努力 “争取”考点 专题3 解三角形【讲】(已下线)专题22 双曲线的标准方程5种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教B版2019选择性必修第一册)(已下线)专题23 双曲线的几何性质7种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教B版2019选择性必修第一册)
更新时间:2023-11-16 17:38:48
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【推荐1】在△ABC中,已知∠B=60°,边AB=4,且△ABC的面积为
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【推荐2】若
的三边
,它的面积为
,则角C等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
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【推荐1】设
的三个内角
所对的边分别为
,如果
,且
,那么
外接圆的半径为( )
![](https://img.xkw.com/dksih/QBM/2018/10/18/2056328307335168/2059700638687232/STEM/20cd74091b994a1d81e56c6afdb5ec60.png?resizew=31)
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【推荐2】在三角形ABC中,如果
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解题方法
【推荐1】
中,
,
、
是双曲线
的左、右焦点,点
在
上,且
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a55deaf56eefabb84a18805ab11c7872.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
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【推荐2】已知椭圆
与双曲线
有相同的焦点
,点
是
的一个公共点,
是以一个以
为底的等腰三角形,
的离心率为
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的离心率是
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a2008b78a906cf5ecdfd68432fa9ad1.png)
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【推荐1】已知双曲线
的左、右焦点分别为
,点
是双曲线上一点,若
的面积为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3bb40eca0847b7a24593f9ed3d779e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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【推荐2】设
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的左、右焦点,一条渐近线方程为
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