1 Closure categorization. 2  Check and confirm that the initial incident categorization was correct or, where the categorization subsequently turned out to be incorrect, update the record so that a correct closure categorization is recorded for the incident-seeking advise or guidance from the resolving group(s) as necessary.
In mathematics, the term generating function is used to describe an infinite sequence of numbers (a n) by treating them as the coefficients of a series expansion. The sum of this infinite series is the generating function.
The Inverse trig. functions are discussed further on the Wikipedia Inverse Trigonometric Functions Page Function Description The Excel ATAN function calculates the arctangent (i.e. the inverse tangent) of a given number, and returns an angle, in radians, between -Ï/2 and +Ï/2. The syntax of the function is: ATAN( number)