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# Edexcel C1/C2 - What area/volume etc formulae are needed? Watch

1. Which surface area and volume formulae are needed for C1 and C2 for Edexcel? E.g. the volume and surface area of a cylinder are needed (they have been required in several past exams), but they are not listed either on the specification or in the formula sheet.
2. (Original post by theDERS)
Which surface area and volume formulae are needed for C1 and C2 for Edexcel? E.g. the volume and surface area of a cylinder are needed (they have been required in several past exams), but they are not listed either on the specification or in the formula sheet.
Area of circle
circle diameter

are the immediate ones which come to mind when we're talking about C2 differentiation
3. (Original post by theDERS)
Which surface area and volume formulae are needed for C1 and C2 for Edexcel? E.g. the volume and surface area of a cylinder are needed (they have been required in several past exams), but they are not listed either on the specification or in the formula sheet.
This is for C2

Sin Rule
a/sinA = b/sinB

Area of a triangle
1/2absinC

Area of a sector
θr²/2

tanx=sinx/cosx

Area of a circle
πr²

sin²θ + cos²θ = 1

Arc length
θr

Circumference of a circle
2πr

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