解题方法
1 . 请在①
,②
,③
这三个条件中任选两个,将下面问题补充完整,并作答.
问题:在
中,
,
,
分别是角
,
,
的对边,且
,___________,___________,计算
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7275a2536ff9335f750281642dbaa51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73818824a1369628d79778e12efd6832.png)
问题:在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/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/8082bc760a2bcb52f8be5926a0f93602.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2021-05-05更新
|
401次组卷
|
3卷引用:安徽省合肥六校联盟2020-2021学年高二下学期期末联考理科数学试题
名校
解题方法
2 . 已知函数
在
上单调递增,则
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522759217a82cca6e4597a9542072054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-02-09更新
|
1844次组卷
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7卷引用:安徽省皖西南联盟2019-2020学年高二上学期期末数学(文)试题
3 .
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/729ea159f14b688c16c553addfe32060.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-05-17更新
|
1265次组卷
|
6卷引用:安徽省滁州市新锐学校2019-2020学年高二上学期期末数学试题