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secondary 4 | A Maths
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secondary 4 chevron_right A Maths chevron_right Singapore

how do c

Date Posted: 3 months ago
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Eric Nicholas K
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In doing this question, I have used the definition of secant (1 divided by cosine), the technique of combining two expressions into a single fraction and two of the trigonometric formulae present in your syllabus. One of these is tangent = sine / cosine. Can you spot the other one?