Char. Limit Gold Member Messages 1,222 Reaction score 23 Jan 31, 2012 #2 salil87 said: What is ej∞? Well, e^(ix) = cos(x) + i sin(x). Neither of these functions converge to a point as x-->∞. So neither the real part nor the imaginary part of e^(i∞) converges to anything. So e^(i∞) has no value.
salil87 said: What is ej∞? Well, e^(ix) = cos(x) + i sin(x). Neither of these functions converge to a point as x-->∞. So neither the real part nor the imaginary part of e^(i∞) converges to anything. So e^(i∞) has no value.