Eric Nicholas K's answer to tan's Junior College 1 H2 Maths Singapore question.
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Second part
You will need to know the definition of the dot product (involving cosine of an included angle) as well as some old trigonometric stuffs in the O Level syllabi.
You will need to know the definition of the dot product (involving cosine of an included angle) as well as some old trigonometric stuffs in the O Level syllabi.
Date Posted:
3 years ago
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