Tan Woon Kin's answer to mary's Secondary 3 E Maths Singapore question.

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Tan Woon Kin
Tan Woon Kin's answer
2 answers (Tutor Details)
1st
Using cosine properties, assign x to be the opposite and y to be the adjacent.
Apply the cosine and tangent properties.
I hope this helps!
mary
Mary
10 months ago
Thank you