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Formulae sheet
-
Higher Tier
Arithmetic series
?'t'" xA Go (.hr
f-SG9u-\
Sum to n tenrs. S,, :
i
f|a + (n-
Area of trapezium
rU
The quadratic equation
The solutions of alz
a * 0 are given by:
=:@+
b)h
K-3+l
ff-\
/.+ \
* bx +c = 0 where
F?
{L_
"[t -ec
In any triangle ABC
I
-f € t C,txan?(P\
Sine Rule
sinl sinB
sinC'
Cosine Rule a2 = b2 + c2 ZbccosA
-
Area of triangle = 1a6 sin C
volume of cone =
A
$irn v.
= W:?
@tr,
=sl+9(
4*,
J
Volurne of prism
= area of crosS .s-ection x length
Curved surface area of cone= nrl
r
T**=ffi
'
5'o fA eAlA
s''Ei4f6R
Volume of cylinder =
Curved surface area
of cylinder = Znrlz
l)
nih
Volume of sphere =
!o,"
J
Surface a,rea of sphere =
4tf
y+ 6"thiv> z# *\
:
b@;
w
\I"t^'* % .1
l'9 ro ar i J',
FF #s
A=
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36$
I
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3
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