Page two N5 F ID: 91482
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Mathematics Formulae List N5 © National 2016 Page 02 FORMULAE LIST The roots of 0are bbacaxbxc Sine rule: sinsinsin abcABC Cosine rule: coscos 222 2222or bca abcbcAA Area of a triangle: AabC Volume of a sphere: Volume of a cone: Vrh Volume of a pyramid: VAh Standard deviation: or , where n is the sample size.