Small-argument sine product asymptotic
= Small-argument sine product asymptotic
The expansion $\log(\sin x/x)=-x^2/6+O(x^4)$ converts products of small sinc factors into Gaussian characteristic-function limits.
= Small-argument sine product asymptotic
The expansion $\log(\sin x/x)=-x^2/6+O(x^4)$ converts products of small sinc factors into Gaussian characteristic-function limits.