1. Given an integral
, i.e. the integrand is a rational function in terms of
and
. By the substitution
the integral is reduced to an integral of a rational function. If
, then
,
,
and
.
2. If
=
, then
.
3. If
= -
, then
.
If
=-
, then
.
4.
, т and п – even non-negative integers, then
,
.
5. For integrals
we use following formulas:



6.
, then
and
.