Trigonometry

Trigonometry - Basic concepts

Trigonometry (whose term derives from the Greek τριγωνοϛ trigōnos "triangle" and μετρον metron "measure") is a branch of mathematics that deals with ...

Vectorial space

When we have a set of mathematical elements that are related and operate with commutative, associative and distributive properties, we speak of a space ...

Matrix theory

Matrices are two-dimensional or rectangular arrangements of rows and columns that are represented as follows: Where, each aij is an element of the ...

Linear algebra introduction

In the essential knowledge of a mathematician, physicist, engineer, and other scientists, there must be mathematical analysis, which is born from linear algebra. Thank you...

Exponential equation

An equation is exponential if the variable (unknown) appears in the exponent of a power. To solve this type of equations we have to remember ...

Properties of the potentiation and logarithm

In mathematics, when we talk about power, we refer to an abbreviated multiplication and it is expressed in the following way: an = a · a · a · a · a · a… · a = b We can say, ...

Simplifying a radical expression with exponents

When talking about simplifying radical expressions, we must necessarily remember radical numbers. In this way, when a number is not integer or fractional ...

Factoring third degree polynomials

In the conceptualization of algebraic expressions, we observe that polynomials are the functions that have three or more added terms. These might be...

monomial multiplication and division

A monomial is an expression that is formed only by a single algebraic term, such as: P (x) = 4x² j (x, y, z) = 5x3y4z2 q (x, y) ...

Simplifying rational expressions

In general, a rational expression or algebraic expression is a quotient of polynomials: Rational expression = p (x) / q (x) with q (x) ≠ 0. Normally these ...