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secondary 3 | A Maths
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Anjo
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secondary 3 chevron_right A Maths chevron_right Singapore

q2 iii)

Date Posted: 5 years ago
Views: 314
Arnold K H Tan
Arnold K H Tan
5 years ago
2iii) cos 30 = Sq root(3) ÷2
Use the Pythagorean identity for cos 2x

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Lee Sook Ling
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