如图,正三角形
内有一点
,
,
,连接
并延长交
于
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92c8c60fd865ff3b8bf90ee64dce9b05.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/120933181a3b0b7c45f30ddbbfa060e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1b22fcde4ad8c099500788a49376731.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92c8c60fd865ff3b8bf90ee64dce9b05.png)
![](https://img.xkw.com/dksih/QBM/2021/10/25/2836881564377088/2837060490534912/STEM/c113e2f3-31b6-4e4b-a9c6-fb3df0821b4e.png?resizew=250)
21-22高三上·安徽·阶段练习 查看更多[3]
安徽省皖南八校2022届高三上学期10月第一次联考理科数学试题(已下线)专题13 三角函数与三角恒等变换-2022年高考数学一轮复习小题多维练(新高考版)新疆喀什莎车县第一中学2021-2022学年高二上学期期中考试数学试题
更新时间:2021-10-25 17:57:15
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【推荐2】在
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【推荐1】在
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【推荐2】在
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