Ignatius Yeo's answer to Jona's Secondary 4 A Maths Singapore question.

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Ignatius Yeo
Ignatius Yeo's answer
36 answers (Tutor Details)
1st
Period means one complete cycle. In this case, it means one complete wave at every 0.8s. My hand drawn graph is abit out of shape lol, in 1.6s there are 2 complete waves. Hope it helps!