Trigonometric Function & Graphs
Author: Mr Lafferty www.mathsrevision.com

f(x) = acos(bx - c) + d

a = 0 (slider from -5 to 5, step 0.5)
b = 0 (slider from 0 to 6, step 0.5)
c = 0 (slider from -70 to 97, step 5)
d = 0 (slider from -7 to 7, step 1)
h(x) = cos(x * 1.0*°)
f(x) = a * cos((b * x)° - c°) + d