How do you find the amplitude and period of a function y=-5 cos 6x?
1 Answer
Aug 8, 2016
amplitude = 5
period
Explanation:
For the cosine function
#color(red)(y=acosbx)# The amplitude = |a| and period
#=(2pi)/b# here a = -5 and b= 6
#rArr"amplitude"=|-5|=5#
#" and period"=(2pi)/6=pi/3#
