How do you graph y=1/2sin2x-1?

1 Answer
Jun 24, 2018

As below.

Explanation:

Standard form of sine function is y = A sin (Bx - C) + D

"Given equation is " y = (1/2) sin 2x - 1

A = 1/2, B = 2, C = 0, D = -1

Amplitude = |A| = 1/2

"Period " = (2pi) / |B| = pi

"Phase Shift " = -C / B = 0

"Vertical Shift " = D = -1

graph{(1/2) sin (2x) - 1 [-10, 10, -5, 5]}