Eric Nicholas K's answer to Victor Feng's Secondary 4 A Maths Singapore question.
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Here are my answers for Q9, Q10 and part of Q11. I have to admit that the questions are much tougher in standard than typical trigonometry questions in A Maths in the O Level exams.
Coming up are the rest of Q11 and Q12.
Coming up are the rest of Q11 and Q12.
Date Posted:
5 years ago
Small correction, obtuse means 90 to 180, not 0 to 180.
Thank you very much for your time and effort
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