已知
的内角A,B,C的对边分别为a,b,c,满足
.
(1)试判断
的形状;
(2)若
的外接圆半径为2,求
周长的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc68d1248a7f1551e3a9766f16afbde.png)
(1)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
更新时间:2024-05-26 22:28:56
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解答题-证明题
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适中
(0.65)
解题方法
【推荐1】已知函数
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(1)求
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(2)求证:不存在过点
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【推荐2】已知函数
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(1)求函数
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(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解答题-问答题
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适中
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解题方法
【推荐3】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4929129fa8bc266f93e469204c0b9af2.png)
(1)求曲线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/856f9356eb690e936f1d140185e1dc56.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/156937985f925cec8b4124bae38ba169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d456d47af97904e2a923f7b688531e51.png)
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解答题-问答题
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【推荐1】已知函数
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(1)求
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(2)求
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(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004b9feb796a885546f1896e20c9ab58.png)
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【推荐2】已知函数
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【推荐1】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e7e67ed0a8b7bbc145378e73b4f1438.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a938f4f1f6ea0d841154d3d09ebaf03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7803085ac21f801c5d54761b84d6d7f.png)
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问题:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
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【推荐1】1.在①
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解答题-问答题
|
适中
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名校
解题方法
【推荐2】在①
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在△ABC中,内角A,B,C的对边分别为a,b,c.已知 .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/510527728b5899c922d5c29b3ec90fb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8391a30a191b22e483db135fd476cd.png)
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在△ABC中,内角A,B,C的对边分别为a,b,c.已知 .
(1)求角A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8120119749d4bc28067e73fca7d46cd.png)
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