已知
中,内角
,
,
的对边分别为
,
,
.
(1)若
且
,求角
的大小;
(2)若
为锐角三角形,且
,
,求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1048020633c551efd66c6cb6702ba8af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d632be80732016cec91f4fd8e00a120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f85678de64dcc06b3efcdb6a127170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
15-16高三·河南·阶段练习 查看更多[8]
2016届河南六市高三第二次联考数学(理)试卷河北省唐山市第一中学2019年高三上学期期中数学(理)试题河北省唐山一中2020届高三上学期期中数学(文)试题(已下线)考点15 三角恒等变换-备战2021年高考数学(理)一轮复习考点一遍过(已下线)考点14 三角恒等变换-备战2021年高考数学(文)一轮复习考点一遍过江西省石城中学2020-2021学年高一下学期第二次月考数学(理)试题新疆维吾尔自治区乌鲁木齐市第101中学2024届高三上学期12月月考数学试题湖南省衡阳市第八中学2023-2024学年高一下学期5月期中测试数学试题
更新时间:2020-09-03 15:51:32
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适中
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【推荐2】在平面四边形
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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【推荐3】已知
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【推荐1】已知在
中,角A,
,
的对边的边长分别为
,
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;③
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试从中选出两个可以确定
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适中
(0.65)
解题方法
【推荐2】在△ABC中,内角A,B,C所对的边分别为a,b,c,已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabc0c09bbd8e947818b688c5522a70f.png)
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适中
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名校
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(2)若
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适中
(0.65)
名校
【推荐2】在
中,内角
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
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(1)求角
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(2)若
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适中
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【推荐1】在
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解答题-问答题
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适中
(0.65)
解题方法
【推荐2】已知
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,
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,
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(2)若点
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