Maths

All need to know Maths equations

Area of triangle non right angle

½ab x sin(C)

Sine rule (for lengths)

a/sin(A) = b/sin(B)

Sine rule (for angles)

sin A/a = sin B/b

Cosine rule (for lengths)

a²= b² + c² - 2bc x cosA

Cosine rule (for angles)

Cos(^-1) = b² + c² - a² / 2bc

quadratic formula

the picture

probability

P(A and B) = P(A given B) x P(B)

area of right angle triangle

½( b x h )

area of parallelogram

base x height

circumference of circle

2 x π x r

area of circle

π x r²

area of trapezium

½ (a + b) x h

volume of cuboid

length x width x height

volume of cylinders or prisms

length x area of cross section

Pythagoras theorem

a² + b² = c²

sin

cos

tan

speed

distance / time

density

mass / volume

compound interest

probability

P(A or B) = P(A)+ P(B) - P(A and B)

sum of interior angles

(number of sides - 2) x 180