Darren Lee's answer to Kathy's Secondary 4 E Maths Singapore question.
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remember your cosine rules and trigo functions - sin, cos, tan
you will need to memorise them for the exams!
hope this helps! :)
you will need to memorise them for the exams!
hope this helps! :)
Date Posted:
5 years ago
Ok.
Thank you
Thank you
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