This document provides brief explanations and formulae for various mathematical concepts including the area of a circle, quadratic equations, equations of straight lines, Pythagoras' theorem, binomial expansion, integrals, the factor theorem, binomial distribution, probability, area under a curve, gradient, trigonometry identities like the cosine rule and sine rule, calculating area using trigonometry, tangents and normals, and other mathematical topics. The document serves as a reference sheet for common math formulae.

1. Some Formulae for Maths:
Area of a circle:
Quadratic equation:
Equation of a straight line:
Pythagoras:
Binomial Expansion:
Alternative/
Basic integrals:
Where ‘a’ is a constant
Factor theorem:
When
Binomial Distribution:
Note:
Probability of exactly r successes:
Area under a curve:
Gradient:

2. Vertical lines have no gradient
Horizontal lines gradient = 0
Trigonometry Identities:
Cosine Rule:
Sine Rule:
Area using Trigonometry:
Tangents and Normals:
Other: