如图,在△ABC中,∠C=90°,cosA=
,则sinB=( )
![](https://img.xkw.com/dksih/QBM/2021/3/3/2669684645478400/2671218928254976/STEM/b2a61a3ef1474bdd964f979ef9c9b182.png?resizew=145)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
![](https://img.xkw.com/dksih/QBM/2021/3/3/2669684645478400/2671218928254976/STEM/b2a61a3ef1474bdd964f979ef9c9b182.png?resizew=145)
A.![]() | B.![]() | C.![]() | D.![]() |
20-21九年级上·安徽阜阳·期末 查看更多[4]
安徽省阜阳市太和县2020-2021学年九年级上学期期末数学试题(已下线)专题28.2 特殊角的三角函数值(专项训练)-2022-2023学年九年级数学下册《同步考点解读·专题训练》(人教版)(已下线)专题1.2 特殊角的三角函数值(专项训练)-2022-2023学年九年级数学下册《同步考点解读·专题训练》(浙教版)京改版九年级数学上册 第二十章解直角三角形单元测试
更新时间:2021-03-05 10:31:43
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