已知a>0,函数f(x)=-2asin(2x+)+2a+b,当x∈[0,]时,-5≤f(x)≤1.
(1)求常数a,b的值;
(2)设g(x)=f(x+)且lg[g(x)]>0,求g(x)的单调区间.
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已知a>0,函数f(x)=-2asin(2x+)+2a+b,当x∈[0,]时,-5≤f(x)≤1.
(1)求常数a,b的值;
(2)设g(x)=f(x+)且lg[g(x)]>0,求g(x)的单调区间.