设函数f(x)的=2sin(2x-π/3)+1(1)求f(x)的周期、频率、初相及相位.2)求函数f(x)的最大值、最小值及相位x的取值(3)求函数f(x)的对称轴,对称中学.(4)求函数f(x)的的单调增区间、递减区
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