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Documentation for sub sec assembled from the following types:
sub sec(Numeric(Cool))method sec()
Coerces the invocant (or in sub form, its argument) to Numeric, interprets it as radians, returns its secant, that is, the reciprocal of its cosine.
say 45.sec; # OUTPUT: «1.90359440740442␤» say sec(45); # OUTPUT: «1.90359440740442␤»