acot x
i1 : acot 2 o1 = .4636476090008061 o1 : RR (of precision 53)
The object acot is a method function.
The source of this document is in /build/reproducible-path/macaulay2-1.25.05+ds/M2/Macaulay2/packages/Macaulay2Doc/functions/atan-doc.m2:52:0.