#2**+1 **

2. Start with sin(x) amplitude is 1 want 4 so multiply by 4

4 sin(x) period is 2 pi frequency is 1/2pi want period = 4 frequency = 1/4

1/2pi * m = 1/4 m= modulator

m= 2pi/4 = pi/2

4 sin (x pi/2)

AND shift it up 1....just add 1

4 sin (x pi/2) + 1

ElectricPavlov Jan 26, 2018