Two travelling sinusoidal waves described by the wave functions Y1 = (5.00 m ) sin(pie (4.00x – 1200t)) Y2 = (5.00 m) sin (pie(4.00 x – 1200t – 0.250)) where x, y1 and y2 are in metres and t is in seconds. (a) What is Two travelling sinusoidal waves described by the wave functions Y1 [...]