The curve is shown below.
a. Amplitude
The amplitude is (1/2)(4) = 2
b. Period
The period is (π + π/8) - π/8 = π
c. Vertical shift
The vertical shift is -2
d. Horizontal shift
The horizontal shift is π/8
e. Cycles between 0 and 2π
There are 2 cycles between 0 and 2π.
f. Equation of the graph
