Lee Wei Hao's answer to Thankq's Junior College 2 H3 Maths question.

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Lee Wei Hao
Lee Wei Hao's answer
127 answers (Tutor Details)
1st
Hope this helps
Thankq
Thankq
6 years ago
i am not sure of what you fid, did u use lae of cos?
Lee Wei Hao
Lee Wei Hao
6 years ago
I just used cosine rule
Thankq
Thankq
6 years ago
can u help me with another probelm