Answer:
Period = π / 2
Amplitude = 1
Step-by-step explanation:
Period is the horizontal distance between two successive crests or two successive troughs.
The first crest is at 0 and the next crest is at π/2, then the distance between them is π/2 - 0 = π / 2.
Amplitude is the maximum vertical displacement of the graph.
The maximum vertical displacement of the graph is 1.
