Understanding I^(-i) and How to Solve for It

[PotatoSalad]

Really struggling with this question on my homework, can anybody help out? According to google the answer is 4.81047738 but I need to know how to get there.

Thanks for your help,
Pete.

 

[neutrino]

Can you rewrite i in polar form using Euler's equation?

 

[PotatoSalad]

e^(i.pi/2)?

I feel I'm getting close with some work I've done on paper.

 

[neutrino]

You're done. Now put that in for i (the base).

 

[PotatoSalad]

Excellent, I've got it.

Thanks for your help neutrino