Question

What is the midline equation of y = 2 sin( pi/2 x+3)?​

Answer 1

y = 0 is the midline equation.

Explanation:

The midline equation of y = 2 sin( pi/2 x+3) is the same as that of

y = 2 sin( pi/2 x+3) or y = sin( pi/2 x+3), and is

y = 0.