1 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3ccf147a8382ac58dc73b164df3462.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131efbb40d6630cf34964189000af36f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3ccf147a8382ac58dc73b164df3462.png)
您最近一年使用:0次
2017-08-15更新
|
408次组卷
|
2卷引用:【全国校级联考】辽宁省沈阳市郊联体2017-2018学年高一下学期期中考试数学(文)试题
解题方法
2 . 锐角三角形
满足
,则
的取值范围为_________
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681318912/STEM/488d1009e8b94c8491ea9a40fed57482.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681318912/STEM/ab8ee3cd43c944e58ca85cbf799e73fb.png?resizew=75)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681318912/STEM/e7ec85ce74b7484cb2522a5936bff912.png?resizew=76)
您最近一年使用:0次