Please help me with this

Question

State the period, amplitude, and midline of the function

2y=cos(6(t-6))+6

Answer 1

y = 1/2cos[6(t - 6)] + 3

Amplitude = 1/2

Midline: y = 3

Period T = 2π/6 = π/3

Answer 2

y= (1/2)cos(6(t-6)) + 3

amplitude = 1/2

midline= 3