Formulae NOT given on formula list Flashcards
1
Q
pythagoras theorem
A
a² + b² = c²
2
Q
right angled trig (sin)
A
sin(x) = opp/hyp
3
Q
right angled trig (cos)
A
cos(x) = adj/hyp
4
Q
right angled trig (tan)
A
tan(x) = opp/adj
5
Q
volume of a prism
A
V=Ah
6
Q
Volume of a cylinder
A
V=πr²h
7
Q
gradient
A
M=y2-y1/x2-x1
8
Q
arc length
A
angle/360 x πd
9
Q
Area of a sector
A
angle/360 x πr²
10
Q
straight line
A
y-b=m(x-a)
11
Q
discriminant
A
b²-4ac
12
Q
trig identities (tan)
A
tan(x) = sin(x)/cos(x)
13
Q
trig identities (1)
A
sin²(x)+cos²(x) = 1
14
Q
magnitude of a vector
A
∥a∥= square root of (a² + b² + c²)
15
Q
interquartile range
A
Q3-Q1
