在△ABC中,角A,B,C的对边分别为a,b,c,,下列结论中正确的选项有_______
①若A
,则
;
②若
,则△ABC可能为等腰三角形或直角三角形;
③若
,则△ABC定为直角三角形;
④若
且该三角形有两解,则b的取值范围是(
);
①若A
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e657940f50ce9978ccbc63aacaf807ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c029618cf11f31cf131e7103f03e183.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b84dd9019efb6439f01b7d90d18d99.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8972b15e3060380ea67b528a6a4be4fe.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad0c4cc577699440ba83478f7a21f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa70556de72af069a094995ef2c8d43.png)
更新时间:2022-05-23 11:38:34
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