Example 5.6. Use Equation (5-21) to evaluate .
Explore Solution 5.6.
Enter and find the principal value of .
(c) 2006 John H. Mathews, Russell W. Howell
![[Graphics:Images/ComplexFunComplexPowerMod_gr_22.gif]](../Images/ComplexFunComplexPowerMod_gr_22.gif){kind=small}
..![[Graphics:../Images/ComplexFunComplexPowerMod_gr_35.gif]](../Images/ComplexFunComplexPowerMod_gr_35.gif){kind=small}
and
find the principal value of ![[Graphics:../Images/ComplexFunComplexPowerMod_gr_36.gif]](../Images/ComplexFunComplexPowerMod_gr_36.gif){kind=small}
. ![[Graphics:../Images/ComplexFunComplexPowerMod_gr_37.gif]](../Images/ComplexFunComplexPowerMod_gr_37.gif)
![[Graphics:../Images/ComplexFunComplexPowerMod_gr_38.gif]](../Images/ComplexFunComplexPowerMod_gr_38.gif)