I solved this qn but I can’t get the correct answers for part d) and e). Pleas

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secondary 4 A Maths Singapore

I solved this qn but I can’t get the correct answers for part d) and e). Please help. Why is the amplitude negative ??? And how do we get the period

Date Posted: 4 months ago

done {{ upvoteCount }} Upvotes

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Refer to image. Hope it helps

Date Posted: 4 months ago

Lana <3

3 months ago

Thank you! I see much clearer with your working