Find the period and amplitude y 8 sin 3x period amplitude F
     Find the period and amplitude.  y = 8 sin 3x  period  amplitude  Find the period and amplitude.  y = 8 cos 4x  period  amplitude  Find the period and amplitude.  y = 3/4 cos x/2  period  amplitude  Find the period and amplitude.  y = -7 sin x/4  period  amplitude   
  
  Solution
5) y = 8*sin3x
Period = 2pi/3
Amplitude = 8
6) y = 8*cos4x
Period = pi/2
Amplitude = 8
7) y = (3/4)*cos(x/2)
Period = 4pi
Amplitude = ¾
8) y = -7*sin(x/4)
Period = 8pi
Amplitude = 7

