Homework Statement
I'm having trouble solving the following exercise:
Given the following wave equation:
y=0.01cos(wt-kx)+0.02*6^(1/2)sin(wt-kx)
prove that if w=16s^-1 and k=6m^-1 then the amplitude of the wave is 0.05 meters and the initial phase is -pi/4 how can I prove that? By phasor...