求y=3sin(2x-π/3)+5的最小正周期,值域,单调区间
∵y=Asin(wx+α)+b的最小正周期是2π/w
值域是[b-A,b+A]
单调区间是[-π/(2w)-α,π/(2w)-α]
∴y=3sin(2x-π/3)+5的最小正周期π
值域是[-2,8]
单调区间是[-7π/12,-π/12]