# Maths

• ## Trigonometry formulas

Some recommendations for performing trigonometric transformations When performing trigonometric transformations, follow these tips: Do not immediately try to come up…

• ## Plane geometry

Triangle When solving problems in geometry, in addition to all the geometric formulas and properties that will be given below,…

• ## Rational Inequalities

Some recommendations for solving rational inequalities When solving linear inequalities, there is only one big thing: it is necessary to change the…

• ## How to count Degree and Roots?

Basic theoretical information about counting Degree and roots. Some recommendations for algebraic computations, transformations, and simplifications. When performing numerical calculations…

• ## how to convert radians into degrees

these are two units named degrees and radians for measuring the angles. circle contains 360 degrees which are equivalent to…

Basic theoretical information Types of numbers To the table of contents … Natural numbers are numbers used to count objects. Natural numbers…

• ## Stereometry (Geometry in space)

Basic theorems, axioms, and definitions of Stereometry Introductory definitions and axioms of Stereometry Some definitions of stereometry are: A polyhedron is…

• ## Progression

Basic theoretical information Arithmetic progression Formula  nth member arithmetic progression: The ratio between the three neighboring members of the arithmetic progression: The…

• ## Functions and graphics

Basic theoretical information Coordinates and basic concepts of functions The length of the segment on the coordinate axis is the…

• ## Logarithmic equations, systems and inequalities

Basic theoretical information Logarithm properties The logarithm definition is easiest to write mathematically: The definition of the logarithm can be written…