The harmonic mean is another kind of average value for a discrete data …

# Category: Mathematics and Science

The geometric mean is another type of average which shows the central tendency …

## How to calculate the geometric mean

For a given (discrete) set of data, the arithmetic mean is the representation …

## How to calculate the arithmetic mean

When dealing with trigonometric functions we often have to switch between the two units …

## How to transform from degrees to radians and from radians to degrees

A common approach in trigonometry is to use the unitary circle to represent …

## Trigonometric functions and the unitary circle

For a right triangle we can establish certain relationships between the trigonometric functions, …

## Trigonometric functions basic properties

Trigonometry is a part of mathematics which deals with the study of angles. …

## Introduction to trigonometry

In this tutorial we are going to learn about radicals. In mathematics a …

## Radicals

In a previous article we went through integer exponents. In this tutorial we …

## Exponentiation – rational exponents

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