如图,在△ABC中,已知点D在边BC上,且∠DAC=90°,sin∠BAC=
,AB=
,AD=3.则sin∠ADC=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c14ff9b66f21c05e52dc3c8908c2df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2fdf1944afebb51cb6a5e6c74aadd.png)
![](https://img.xkw.com/dksih/QBM/2020/9/8/2545309070819328/2546146610733056/STEM/a1e12ab2-f235-459e-bb00-7f05431a63aa.png)
20-21高二上·全国·单元测试 查看更多[2]
(已下线)第1章+解三角形(基础过关)-2020-2021学年高二数学单元测试定心卷(苏教版必修5)(已下线)专题1.4+解三角形单元测试(基础卷)-2020-2021学年高二数学十分钟同步课堂专练(苏教版必修5)
更新时间:2020-09-09 17:31:27
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