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(2002•呼和浩特)如图,AB是⊙O的直径,弦AC、BD相交于P,则等于( )...
(2002•呼和浩特)如图,AB是⊙O的直径,弦AC、BD相交于P,则
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232550768596924/SYS201310212325507685969001_ST/0.png)
等于( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232550768596924/SYS201310212325507685969001_ST/images1.png)
A.sin∠BPC
B.cos∠BPC
C.tan∠BPC
D.cot∠BPC
考点分析:
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