La_1(x) = sin(110 * 2 * π * x)
Mi_3(x) = sin(329.63 * 2 * π * x)
La_3(x) = sin(440 * 2 * π * x)
f(x) = La_1(x) + 0.25 * Mi_3(x) + 0.05 * La_3(x)
g(x) = La_1(x) + 0.8 * Mi_3(x) + 0.15 * La_3(x)