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如图,△ABC中,∠C=90°,AB=5,AC=3,则sinB=( ) A. B...
如图,△ABC中,∠C=90°,AB=5,AC=3,则sinB=( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101458202324964/SYS201311031014582023249004_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101458202324964/SYS201311031014582023249004_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101458202324964/SYS201311031014582023249004_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101458202324964/SYS201311031014582023249004_ST/2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101458202324964/SYS201311031014582023249004_ST/3.png)
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