已知
中,内角
、
、
所对的边分别
,
,
,
,
,
,那么满足条件的
( )
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b86d43790babcdbbdc03493ee70928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fadd2e6f0aa16c2c466c904474ffc79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.有一种情形 | B.有两种情形 |
C.不可求出 | D.有三种以上情形 |
更新时间:2020-12-03 23:29:07
|
【知识点】 正弦定理判定三角形解的个数解读
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单选题
|
较易
(0.85)
解题方法
【推荐1】在
中,
,
,
,则
的解的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a110bb6e761a161260c92dea2121d2db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f48934086667319958726544e37f649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64b220c05e6feedc8044586067a558fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.无解 | B.两个解 | C.一个解 | D.不确定 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】在
中,已知
则此三角形解的情况是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57fdcad602f94b083d4ca27ad7ffb407.png)
A.有两解 | B.有一解 | C.无解 | D.有解但解的个数不确定 |
您最近一年使用:0次