Math question for homework

Question

What are two possible equations for a sin function with amplitude of 1/2 and period of 8 pie

Answer 1

f(x)= .5sin(pi/4)

f(x)=.5sin(pi/4) +5

f(x)= AsinB(x-C)+D

A=amplitude=1/2=.5

B=2pi/period =2pi/8=pi/4

C= phase shift =0

D=midline = 0 or 5