Toms Maths revision

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  • Created by: tbailey20
  • Created on: 24-03-18 16:22
Arithmetic Series
Sn=1/2 n(2a+(n-1)d)
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Pythagoras Theorem in 3D
a2+b2=c2
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Sine rule
a/sinA=b/sinB=c/sinC
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Cosine rule -Part 1
a2=b2+c2-2bc cosA
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Cosine rule -Part 2
b2=a2+c2-2ac cosB
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Cosine rule -Part 3
c2=a2+b2-2ab cosC
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Exterior angle + Interior Angle =
180o
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Exterior angles in regular polygons =
360/n
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Interior angles in regular polygons =
(n-2)x180/n
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Quadratic Formula
x=-b±
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Nth term =
a+(n-1)d
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SohCahToa
Sinx=Opposite/Hypothenuse
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SohCahToa
Cosx=Adjacent/Hypothenuse
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SohCahToa
Tanx=Opposite/Adjacent
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Trigonometry
Area=1/2 abSinC
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Modal Class
= Most popular group
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Range
= biggest amount- smallest amount
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Estimate for the mean =
sum of midpoint x frequency / total frequency
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Upper Quartile
It is the median of the upper half of the data
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Lower Quartile
It is the median of the lower half of the data
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Interquartile range=
Upper quartile - lower quartile
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Sphere Volume=
4/3π r2
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Sphere surface area=
4πr2
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Cone volume
1/3πr2h
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Cone surface area
πr2+πrl
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Equilateral triangle=
3 equal sides 3 angles=60o
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Isosceles triangle=
2 equal sides 2 angles are the same
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Right-angles triangle=
one angle= 90o
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Area of rhombus
base x height
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Area of trapezium=
1/2 x (a+b) x height
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Area of triangle=
base x height / 2
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Area of rectangle=
length x width
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Area of circle=
πr2
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Perimeter for circle=
2πr
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Perimeter for everything else =
Add all sides together
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< > ≤ ≥
less than greater than less than or equal to greater than or legal to
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Other cards in this set

Card 2

Front

a2+b2=c2

Back

Pythagoras Theorem in 3D

Card 3

Front

a/sinA=b/sinB=c/sinC

Back

Preview of the back of card 3

Card 4

Front

a2=b2+c2-2bc cosA

Back

Preview of the back of card 4

Card 5

Front

b2=a2+c2-2ac cosB

Back

Preview of the back of card 5
View more cards

Comments

snowyjunior

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thank you, is this for foundation mathematics or higher?

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