определите период функции:а)f(x)=2sin(2x- пи/3) б)f(x)=1/3tg(1/2x+ пи/2)

а) f(x) = 2sin(2x - π/3);

T = 2π/2 = π

б) f(x) = 1/3tg(x/2 + π/2);

T = π/(1/2) = 2π