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secondary 4 | A Maths
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Ho jun jie
Ho Jun Jie

secondary 4 chevron_right A Maths

Q8f

Date Posted: 7 years ago
Views: 484
James Chen
James Chen
7 years ago
You may watch the step by step explanation here: https://youtu.be/xDS3ARkdIOY

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Carolyn
Carolyn's answer
12 answers (Tutor Details)
1st
is this it? haha
Carolyn
Carolyn
7 years ago
sorry change the -sin to cos!!