New GCSE Maths required formulae

Circumference of a Circle:

Area of a Circle:

Pythagoras theorem
In any right-angled triangle where $a$, $b$ and $c$ are the length of the sides and $c$ is the hypotenuse:

Trig: In any right-angled triangle $ABC$ where $a$, $b$ and $c$ are the length of the sides and $c$ is the hypotenuse:
$sinA$=

Trig: In any right-angled triangle $ABC$ where $a$, $b$ and $c$ are the length of the sides and $c$ is the hypotenuse:
$cosA$=

Trig: In any right-angled triangle $ABC$ where $a$, $b$ and $c$ are the length of the sides and $c$ is the hypotenuse:
$tanA$=

Sine Rule:

Cosine Rule:

Trigonometry: Area of a Triangle

Area of a Trapezium=
(Where $a$ and $b$ are the lengths of the parallel sides and $h$ is their perpendicular separation)

Volume of a Prism:

Compound interest: Where $P$ is the principal amount, $r$ is the interest rate over a given period and $n$ is number of times that the interest is compounded,
Total accrued=

Where P(A) is the probability of outcome A and P(B) is the probability of outcome B:
P(A or B) =

Where P(A) is the probability of outcome A and P(B) is the probability of outcome B:
P(A and B)

Curved surface area of a cone:

Surface area of a Sphere:

Volume of a Sphere:

Volume of a Cone:

Final Velocity $v$:

Displacement $s$:

Velocity $v$$^2$:

Fórmula cuadrática - resolver:
$a$$x^2$+$b$$x$+$c$=$0$
donde $a$ $\neq$ $0$