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在Rt△ABC中,∠C=90°,sinA=,则tanB的值为( ) A. B. ...
在Rt△ABC中,∠C=90°,sinA=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000621637837307/SYS201311030006216378373012_ST/0.png)
,则tanB的值为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000621637837307/SYS201311030006216378373012_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000621637837307/SYS201311030006216378373012_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000621637837307/SYS201311030006216378373012_ST/3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000621637837307/SYS201311030006216378373012_ST/4.png)
考点分析:
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B.
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![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000621637837307/SYS201311030006216378373009_ST/3.png)
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在Rt△ABC中,∠C=90°,AB=5,BC=3,则下列结论正确的是( )
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![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000621637837307/SYS201311030006216378373008_ST/0.png)
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