若满足条件
,
,
的
有两个,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1466856bf2570685d3629c1f813748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbf7575ec7f9c22f3b51084fe190b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
更新时间:2024-03-21 22:06:18
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【知识点】 正弦定理判定三角形解的个数解读
相似题推荐
填空题-单空题
|
适中
(0.65)
【推荐1】在
中,点
在线段
上,
,
.给出下列三组条件:①
,
的长度;②
,
的长度;③
,
的长度.其中能使
唯一确定的条件的序号为__________ .(写出所有符合要求的条件的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65639672f444b3d4dc6fc4f357ddbd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87afb3e8a6be3a65f65292de018dc05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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填空题-单空题
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适中
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名校
解题方法
【推荐2】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)
您最近一年使用:0次