(a) Split up the harmonic x = 8 sin(ωt + 45°), into two harmonic motions, one of which has amplitude of 10 and phase difference zero.
(a) A body is subjected to two harmonic motion as x1= 15 sin(ωt+30°) and x2= 8 cos(ωt + 60°). What extra motion could be given to the body to bring it equilibrium?