已知函数f(x)=(
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102747346575053/SYS201311031027473465750017_ST/0.png)
sinx-cosx)cosx.
(Ⅰ)求f(x)的最小正周期和最大值;
(Ⅱ)在△ABC中,a,b,c分别为角A,B,C的对边,S为△ABC的面积.若f(A)=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102747346575053/SYS201311031027473465750017_ST/1.png)
,a=2
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102747346575053/SYS201311031027473465750017_ST/2.png)
,S=2
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102747346575053/SYS201311031027473465750017_ST/3.png)
,求b,c.
考点分析:
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