Complex number.. need an idea to start..

[nazmi]

1. The problem statement, all variables and given/known data

Find the principal value of i^2i

2. Relevant equations

principal value = Ln r + iArg(z)

3. The attempt at a solution
dont know how to start..

 

[Deleted member 4993]

1. The problem statement, all variables and given/known data

Find the principal value of i^2i

2. Relevant equations

principal value = Ln r + iArg(z)

3. The attempt at a solution
dont know how to start..

\(\displaystyle i^{2i} = (i^2)^i = (-1)^i\)

Now continue...