Equations Flashcards
Speed?
Distance/ time
Acceleration
Change in velocity/ change in time
Volume of a cuboid
Length x height x width
Volume of prism
Area of cross section x length
Pythagoras
A squared plus b squared equals c squared
Sin
Opposite/ hypotenuse
Cos
Adjacent/ hypotenuse
Tan
Opposite/ adjacent
Area of a triangle
1/2 x base x height
1/2 absin(c)
Area of trapezium
1/2 (a+b) x height
Circumference
Pie x diameter
Area of circle
Pie x radius^2
Are of parellellogram
Base x height
Volume of cylinder
Pie x radius^2 x height
Pressure
Force/ area
Arc length
2pie x radius x n/360
Sector area
Pie x r^2 x n/360
What is sin 0, 30, 45,60, 90
0- 0 30- 1/2 45- 1/route 2 60-route 3/2 90-1
What is cos 0, 30, 45,60, 90
0-1 30- route 3/2 45-1/route 2 60-1/2 90-0
What is tan 0, 30, 45,60, 90
0-0 30-1/route3 45-1 60-route 3 90-not needed
Sin rule
A/sin(a)=B/sin(b)=C/sin(c)
Cos rule
A^2=b^2+c^2-2bc cos(a)
Frequency density
Frequency/ class width
What is the symbol for or
U
What is the symbol for and
n
If in a Venn diagram It says A’, what does it mean?
A’everything apart from A (this includes the middle cross section)
