# High school

In this section you will find teaching materials for high school. Materials from grades 1 to 3 are available. Choose the desired subject and good studies!

## Combinatorial Analysis

Introduction
Factorial of a number
Simple arrangement
Simple Permutation
Simple combination

## Set theory

Introduction and symbols
Operations Symbols
Set Concepts

## Vectors

Straight and segment oriented
Direction and Direction
Equipolent Segments
What is a vector?
Some types of vectors
Collinear vectors
Coplanar Vectors
Vector operations
Scalar product

## Functions

What is a function
Domain and image of a function
Domain Obtain
Cartesian graphic construction
Roots of a function
Properties of a Function
Even and odd function
Increasing and decreasing functions
Compound function
Inverse function

## Probability

Introduction
Conditional probability
Independent Events
Probability of event union

## Spatial geometry

Points, lines and planes
Axioms
Relative positions of two straight lines
Determination of a plan
Relative positions of line and plane
Perpendicularism between line and plane
Relative positions of two planes
Orthogonal projection
Distances between point, line and planes
Angles between lines and planes
Diedros, triplets, polyhedra
Polyhedra
Regular polyhedra
Prisms
Prism Classification
Prism Section
Parallelepiped
Cube
Generalization of the volume of a prism
Cylinder
Cylinder sections
Cylinder Area and Volume
Equilateral cylinder
Circular cone
Cone Area and Volume
Pyramid
Parallel section to the base of a pyramid
Pyramid Area and Volume
Pyramid trunk
Cone Trunk
Ball

## Logarithms

Definition
Operative properties
Cologarithm
Base change
Online calculation of logarithms

## Arrays

Introduction
General notation
Row, column and square matrix
Null, diagonal, and identity matrix
Transposed, symmetrical, opposite matrix
Multiplying a Real Number by an Array
Matrix multiplication

## Determinants

Introduction
Minor companion
Cofactor
Laplace's theorem
Sarrus Rule
Determinant Properties
Properties (part 2)
Properties (part 3)

## Complex numbers

Introduction and algebraic form
Equality of complex numbers
Conjugate of a complex number
Addition and subtraction in algebraic form
Multiplication and division in algebraic form
Powers of i
Module and argument
Trigonometric or polar shape
Multiplication and division in trigonometric form
Potentiation and rooting in trigonometric form
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