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如图,在Rt△ABC中,CD是斜边AB上的中线,已知CD=2,AC=3,则sin...
如图,在Rt△ABC中,CD是斜边AB上的中线,已知CD=2,AC=3,则sinB的值是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103102712452361501/SYS201311031027124523615005_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103102712452361501/SYS201311031027124523615005_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103102712452361501/SYS201311031027124523615005_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103102712452361501/SYS201311031027124523615005_ST/2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103102712452361501/SYS201311031027124523615005_ST/3.png)
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