NumericalMath`TrigFit`
NumericalMath`TrigFit` was available as an add-on package in previous versions of Mathematica and is now available on the web at library.wolfram.com/infocenter/MathSource/6781.
NumericalMath`TrigFit` was available as an add-on package in previous versions of Mathematica and is now available on the web at library.wolfram.com/infocenter/MathSource/6781.