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Sagot :

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.