如图,在
中,点D在BC边上,∠CAD=
,AC=
,cos∠ADB=-
.则sin∠C的值是_______ ;若BD=5,则△ABD的面积是_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
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![](https://img.xkw.com/dksih/QBM/2021/2/26/2673327783387136/2800813348126720/STEM/03ae3239f8d84bc1a7ab4d73f808c6dc.png?resizew=145)
更新时间:2021-09-04 12:52:15
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【推荐2】已知
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【推荐1】在某次军训演习中,小王在相距为
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