Eric Nicholas K's answer to Melody's Secondary 4 A Maths Singapore question.
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Good evening Melody! Here are my workings for both parts, with a little change to part i.
It's a little messy at the end as I initially included proving of angles which turned out to be irrelevant to the proving of the equation in part ii.
Let me know if you need more explanation.
It's a little messy at the end as I initially included proving of angles which turned out to be irrelevant to the proving of the equation in part ii.
Let me know if you need more explanation.
Date Posted:
4 years ago
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