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在△ABC中,∠C=90°,sinA=,则tanA=( ) A. B. C. D...
在△ABC中,∠C=90°,sinA=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000657776439422/SYS201311030006577764394009_ST/0.png)
,则tanA=( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000657776439422/SYS201311030006577764394009_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000657776439422/SYS201311030006577764394009_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000657776439422/SYS201311030006577764394009_ST/3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000657776439422/SYS201311030006577764394009_ST/4.png)
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