What is the characteristic function of X∼Uniform(−a,a)X \sim \text{Uniform}(-a, a)X∼Uniform(−a,a)?
sin(at)at\frac{\sin(at)}{at}atsin(at)
cos(at)at\frac{\cos(at)}{at}atcos(at)
eiat−e−iat2iat\frac{e^{iat}-e^{-iat}}{2iat}2iateiat−e−iat
Both a and c.