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secondary 3 | A Maths
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secondary 3 chevron_right A Maths chevron_right Singapore

how to do c and d

Date Posted: 1 year ago
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Low Yi Yin
Low Yi Yin's answer
251 answers (Tutor Details)
1st
For max value of y, the denominator must be the lowest value. Hence, -1 is chosen as it's the lowest value for sine and cosine curves.
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