在锐角
中,A,B,C所对的边分别为a,b,c,且
,
若:①
,②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c48da621161fe4cdff4e56ce9772e6f5.png)
从①②中任选一个条件求a的范围.(注意:如果两个都分别选择作答,则按所选的第一种情况批改)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc7407d82d6e55b969d34e937ce36f3d.png)
若:①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f007b60b9a7b0125265d3b91fd69a7c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c48da621161fe4cdff4e56ce9772e6f5.png)
从①②中任选一个条件求a的范围.(注意:如果两个都分别选择作答,则按所选的第一种情况批改)
更新时间:2022-06-05 21:08:50
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