How would you write an equation of the cosine function with amplitude 2 and period 6pi?
1 Answer
Jul 9, 2016
Explanation:
The equation of the cosine function will be of the form
y = acosbx
where amplitude = |a| and period
#=(2pi)/b# here |a| = |2| = 2 and
#b=(2pi)/(6pi)=1/3# Thus equation is
#y=2cos(1/3 x)#
