Find the period and amplitude of the function. y = 5cos2θ (1 point)

Responses
Period: pi radians; Amplitude: 2.5
Period: pi radians; Amplitude: 5
Period: 2^pi radians; Amplitude: 2.5
Period: 2^pi radians; Amplitude: 5

1 answer

Period: pi radians; Amplitude: 2.5