Toms Maths revision

?
• Created by: tbailey20
• Created on: 24-03-18 16:22
Arithmetic Series
Sn=1/2 n(2a+(n-1)d)
1 of 36
Pythagoras Theorem in 3D
a2+b2=c2
2 of 36
Sine rule
a/sinA=b/sinB=c/sinC
3 of 36
Cosine rule -Part 1
a2=b2+c2-2bc cosA
4 of 36
Cosine rule -Part 2
b2=a2+c2-2ac cosB
5 of 36
Cosine rule -Part 3
c2=a2+b2-2ab cosC
6 of 36
Exterior angle + Interior Angle =
180o
7 of 36
Exterior angles in regular polygons =
360/n
8 of 36
Interior angles in regular polygons =
(n-2)x180/n
9 of 36
x=-b±
10 of 36
Nth term =
a+(n-1)d
11 of 36
SohCahToa
Sinx=Opposite/Hypothenuse
12 of 36
SohCahToa
13 of 36
SohCahToa
14 of 36
Trigonometry
Area=1/2 abSinC
15 of 36
Modal Class
= Most popular group
16 of 36
Range
= biggest amount- smallest amount
17 of 36
Estimate for the mean =
sum of midpoint x frequency / total frequency
18 of 36
Upper Quartile
It is the median of the upper half of the data
19 of 36
Lower Quartile
It is the median of the lower half of the data
20 of 36
Interquartile range=
Upper quartile - lower quartile
21 of 36
Sphere Volume=
4/3π r2
22 of 36
Sphere surface area=
4πr2
23 of 36
Cone volume
1/3πr2h
24 of 36
Cone surface area
πr2+πrl
25 of 36
Equilateral triangle=
3 equal sides 3 angles=60o
26 of 36
Isosceles triangle=
2 equal sides 2 angles are the same
27 of 36
Right-angles triangle=
one angle= 90o
28 of 36
Area of rhombus
base x height
29 of 36
Area of trapezium=
1/2 x (a+b) x height
30 of 36
Area of triangle=
base x height / 2
31 of 36
Area of rectangle=
length x width
32 of 36
Area of circle=
πr2
33 of 36
Perimeter for circle=
2πr
34 of 36
Perimeter for everything else =
35 of 36
< > ≤ ≥
less than greater than less than or equal to greater than or legal to
36 of 36

Other cards in this set

Card 2

a2+b2=c2

Back

Pythagoras Theorem in 3D

Card 3

Front

a/sinA=b/sinB=c/sinC

Back Card 4

Front

a2=b2+c2-2bc cosA

Back Card 5

Front

b2=a2+c2-2ac cosB

Back 