Respuesta :

The amplitude of a function y=asin(x) and y=acos(x) represents half of the distance between the minium and the maximum points...

y=acos(x)

  • Where, a is the amplitude

Comparing:

[tex] \sf \: y = a \cos x \\ \tt f(x) = 5 \cos x [/tex]

Hence, The amplitude of the given function is 5...