The expression is
.
Find the values of
and
for which the expression is true. \ \
For a complex number
,where
represents measure of an angle. \ \
Therefore
and
represents the measure of an angles. \ \
For the expression to be satisfy,
or
and
should differ by integer multiples of
.
Therefore, the expression
is true for the values of
and
where they differ by integer multiples of
.
The expression
is true for the values of
and
where they differ by integer multiples of
.