Find the amplitude, period, and phase shift of the given function
y = 3/4cos(2x+2pi/3).

A) Amplitude = 3/4, Period = pi, Phase shift = 2pi/3
B) Amplitude = 3/4, Period = 2pi, Phase shift = pi/2
C) Amplitude = 3/4, Period = 2pi , Phase shift =2pi/3
D) Amplitude = 4/3, Period = pi, Phase shift = pi/3