y=sin(-2/3x+π/6)的最小周期为＿＿＿

y=sin(-2/3x+π/6)的最小周期为＿＿＿
y=sin(-2/3x+π/6)的最小周期为＿＿＿

y=sin(-2/3x+π/6)的最小周期为＿＿＿
y=sin(ax+b)的最小正周期T=2π/|a|
所以此处T=2π/|-2/3|=3π

T=2pi/|W|=2pi*3/2=3pi

3π

设周期为T
2π/T=│-2/3│
T=3π