cos( expression )
Computes the cosine of expression. Expression must be in radians. Note: The cos function does not produce an exact result.
Acos, Asin, Atan, Degrees, Radians, Sin, Tan
clg color black # draw a line across the graphic output line 0,150,300,150 # where do we start lastx = 0 lasty = cos(0) * 50 + 150 # now step across the line and draw for x = 0 to 300 step 5 angle = x / 300 * 2 * pi y = cos(angle) * 50 + 150 line lastx, lasty, x, y lastx = x lasty = y next xDraws