在
中,a,b,c分别是角A,B,C所对的边,若
;则当角A最大时,
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e8c4e99d177b144fb47ce49f6fd9082.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
22-23高三上·四川成都·阶段练习 查看更多[5]
四川省成都市青白江区2022-2023学年高三上学期"零点五诊"文科数学试题四川省成都市青白江区2022-2023学年高三上学期"零点五诊"理科数学试题(已下线)专题02 正余弦定理在解三角形中的高级应用与最值问题(精讲精练)-3(已下线)专题4-2 正余弦定理中的高频小题归类-1广东省江门市鹤山市第一中学2023-2024学年高一下学期第一阶段考试数学试卷
更新时间:2022-11-20 15:46:56
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解题方法
【推荐1】在
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【推荐2】
的内角
的对边分别为
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【推荐2】在
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解题方法
【推荐1】
的三个内角
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(1)
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;
(3)
; (4)
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有两个结论:甲:
是等边三角形; 乙:
是等腰直角三角形.
请你选出给定的四个条件中的两个为条件,两个结论中的一个为结论,写出一个你认为正确的命题__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
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(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a909bc3d298d36d21b18644fdff89a6.png)
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(3)
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有两个结论:甲:
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请你选出给定的四个条件中的两个为条件,两个结论中的一个为结论,写出一个你认为正确的命题
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【推荐2】若函数
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_______ ;以
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为三角形三边的长,作一系列三角形,若这一系列三角形所有内角的最大值为
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_______ .
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【推荐3】已知
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