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secondary 4 | A Maths
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Kiersten Turner
Kiersten Turner

secondary 4 chevron_right A Maths

Help please!

Date Posted: 6 years ago
Views: 257

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Kger Liang
Kger Liang's answer
24 answers (A Helpful Person)
1st
First line, I did cosine rule.
I put 20t as negative because one of them has to be negative, as they dont start at the same point (?)