Key words: derivative, inequality, identity, comparison of numbers, periodic function, skill, proof, application, function, sequence, increasing, decreasing.
Summary
The article provides explanations of the interest in solving various non-standard problems with the help of the concept of derivative, which is one of the elements of mathematical analysis. Since the concept of derivative is applied to many fields of science, its application areas are wide. The article reflects the study of inequalities, exponential-logarithmic and inverse-trigonometric functions with the application of derivative.
