在
中,a、b、c分别为角A,B,C的对边,已知
,
,且
,则
的值等于___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bdd31043c300b09b096b518729cb7e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce44de66240d43ef0ca8805a70ec1e1.png)
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20-21高一下·湖南长沙·期中 查看更多[3]
湖南师范大学附属中学2020-2021学年高一下学期期中数学试题(已下线)期中测试·A卷 -【重难点突破】2021-2022学年高一数学常考题专练(人教A版2019必修第二册)辽宁省铁岭市昌图县第一高级中学2021-2022学年高一下学期6月月考数学试题
更新时间:2021-07-15 08:04:07
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