 ### 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 ...