已知
是半径为2的圆上三个动点,①若
,则
的最大值为__________ ,②若
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b48e12bab152aeb25ee855bd60b403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a47b376264d525c790ebad49a849c08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1bf2961df6e0fbfac146c634a0992d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a47b376264d525c790ebad49a849c08.png)
更新时间:2024-05-23 09:27:56
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【推荐1】已知在
中,
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,
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_____ .
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【推荐2】
的外接圆的圆心为
,半径为
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,且
,则
等于________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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【推荐1】著名数学家欧拉提出了如下定理:三角形的外心、重心、垂心依次位于同一直线上,且重心到外心的距离是重心到垂心距离的一半,此直线被称为三角形的欧拉线,该定理被称为欧拉线定理.已知
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①
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d13a088bc184bfefd8414284501aec4.png)
③
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4139319479a982d1a34187d00b0ba9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d13a088bc184bfefd8414284501aec4.png)
③
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f0c94583a65e896b2b246a4cd7c5c9e.png)
您最近一年使用:0次
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【推荐2】设
,
是夹角为
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______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5175fbb09107af5e5f16bf0b07d19760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf7ce20014bb0806c0a59c99441f81a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe8dc472dade6cea6943164792ab532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de95231a6c32e6743cb9802cb1e0dfd3.png)
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解题方法
【推荐1】已知向量
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【推荐2】如图,正方形ABCD的边长为2,P为CD边上的一个动点,则
的取值范围是__________ .
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