# Materials on Mathematics

09/20/2016

## WHAT is relatively prime

Mutually prime numbers - a mathematical concept, which should not be confused with simple numbers.

The total is only between the two concepts is that both of them are directly related to the division.

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09/20/2016

## How to prove the theorem of Vieta

François Viète - the famous French mathematician.

Vieta theorem allows to solve quadratic equations by the simplified scheme, which as a result save time spent on the account.

But to better understand the essence of the theorem, it is necessary to gain insight into the formulation and prove it.

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09/19/2016

## What is the numerical expression

Expressions are the foundation of mathematics. The concept is fairly widespread.

Much of what we have to deal in mathematics - and the examples and equations, and even fractions - are expressions.

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09/19/2016

## What is the square root of the arithmetic

Any arithmetic operation has its opposite.

Addition opposite subtraction, multiplication - division.

They have their "doubles-antipodes" and exponentiation.

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09/18/2016

## WHAT is the sine and cosine

The study of triangles being mathematicians for thousands of years.

The science of triangles - Trigonometry - uses special values: sine and cosine.

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09/17/2016

## MEDIAN, the height and properties and their bisector

Research Triangle occupied mathematicians for centuries.

Most of the properties and theorems relating to triangles, using special line figures: median, bisector and altitude.

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09/17/2016

## How to solve quadratic equations

Knowledge of how to solve quadratic equations, it is necessary and students, and students, sometimes it can help an adult in normal life.

There are several specific methods of making.

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09/17/2016

## How to find the area of ​​a triangle on the two sides

Sometimes in life we ​​have to deal with situations that require knowledge of geometry. Such information is rarely used in everyday life, so forgettable.

One of the most popular questions is to find the area of ​​a triangle using the lengths of the two sides.

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