GCSE Maths Formulae

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All the formulas you need for the new 9-1 GCSE
Cara Kennedy
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Cara Kennedy
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Zusammenfassung der Ressource

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the quadratic formula (ax^+bx+c = 0) x= -b± √(b2-4ac) ——————- 2a
circumference of a circle 2πr = πd
area of a circle πr2
Pythagoras’ theorem a2+b2=c2
the sine rule sinA = a —— c a b c —— = —— = —— sinA sinB sinC
the cosine rule cosA = b —— c a2= b2 +c2 - 2bc cosA
the tan rule tanA = a —— b
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