# Primitives table

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Integrals of the elementary functions and some little bit complex expressions often occur in practice are presented. The main idea behind the calculation of indefinite integrals is to use various transformations to convert the initial integral to the known one. Some of the known (simple) integrals are presented below.

## 1. Power function:

## 2. Exponential and logarithmic functions:

## 3. Trigonometric functions:

## 4. Inverse trigonometric function:

## 5. Fractional rational function: