y=cos2x-6x^2 - 2
y' = (cos2x-6x^2 - 2) ' = -sin2x - 6*2x - 0 = -sin2x - 12x
y=cos2x-6x-2 (6х в квадрате)
y'=-2sin2x-6-24x
y=cos2x-6x^2 - 2
y' = (cos2x-6x^2 - 2) ' = -sin2x - 6*2x - 0 = -sin2x - 12x
y=cos2x-6x-2 (6х в квадрате)
y'=-2sin2x-6-24x