Jiayang's answer to Cqviezel Liow's Junior College 2 H2 Maths question.
done
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What happened to your previous qn?
Date Posted:
6 years ago
Maybe you can add in this line before the cosθ₁ = cosθ₂
AC/LC = CB/EC or something like that
AC/LC = CB/EC or something like that
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