a = 1 (slider from -5 to 5, step 0.2)
b = 1 (slider from -5 to 5, step 0.2)
c = 0 (slider from -5 to 5, step 0.2)
d = 0 (slider from -5 to 5, step 0.2)
f(x) = a * sin(b * (x - c)) + d