Flashcards
GCSE Maths Formulae
Cards in this deck (7)
- 1the quadratic formula (ax^+bx+c = 0)x= -b± √(b2-4ac)
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2a - 2circumference of a circle2πr = πd
- 3area of a circleπr2
- 4Pythagoras’ theorema2+b2=c2
- 5the sine rulesinA = a
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c
a b c
—— = —— = ——
sinA sinB sinC - 6the cosine rulecosA = b
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c
a2= b2 +c2 - 2bc cosA - 7the tan ruletanA = a
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b
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- Description
- All the formulas you need for the new 9-1 GCSE
- Created by
- Cara Kennedy
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