Huang Juncheng's answer to O's Secondary 4 A Maths Singapore question.
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As you can see, the difference for x-axis between two points that are in phase is 0.5. We can deduce that the period is 0.5seconds. Frequency = 1/ period. Hence, frequency is equal to 2, which is simply dividing 1 by 0.5.
Date Posted:
3 years ago
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