在锐角
中,如果
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02b83bf4e9e6f103eb7ba11a75fb8f33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33e8045277a342dbbaff481815bd532.png)
A.![]() | B.![]() | C.2 | D.![]() |
更新时间:2020-07-18 00:17:53
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