Date: Apr 10, 2013 8:30 PM Author: kiki562 Subject: Help with homework Complex Analysis Hi I need help with a homework question

A) Where is the function f(z)= e^((x^2)-(y^2)) * [cos(2xy) + isin(2xy)] analytic?

B) Find an expression for f'(z) and give the derivative at i.

Thanks!