A wave on a string is described by the equation y=12cos(1.57 x - 6.28 t). The lengths are measured in cm and time is s. Determine,
The form of a general wave eqn is:
y = Acos(wt + b)
A = 12
f = 1/T = w/2pi = 6.28/2pi = 1 ...
The solutions presents the formulas used in solving the problem.