Use the fact that sin(x) =Im(e^ix) to calculate a simpler derivation of this result. Could someone explain how to solve this?
Follow Math Help Forum on Facebook and Google+
Originally Posted by Haris Use the fact that sin(x) =Im(e^ix) to calculate a simpler derivation of this result. Could someone explain how to solve this? What result are you referring to?
Sorry, the series expansion of .
Hello, As mentioned : Now use the power series expansion of the exponential : But So the series is now :
View Tag Cloud