Determine the maximum velocity of the resultant of the two waves described by the equations (5.0 m)sin ((10 cm).x-(3.4 rad/s)r) y y=(25 m) cos ((10 cm)x-(3.4 rad/s)r) respectively. and (a) -87 m/s (b) 87 m/s (c) 87 cm/s (d) 8.7 m/s