'\" t .\" Copyright (c) 2025 Bruce Hill .\" All rights reserved. .\" .TH Num.cos 3 2025-04-30 "Tomo man-pages" .SH NAME Num.cos \- cosine .SH LIBRARY Tomo Standard Library .SH SYNOPSIS .nf .BI Num.cos\ :\ func(x:\ Num\ ->\ Num) .fi .SH DESCRIPTION Computes the cosine of a number (angle in radians). .SH ARGUMENTS .TS allbox; lb lb lbx lb l l l l. Name Type Description Default x Num The angle in radians. - .TE .SH RETURN The cosine of `x`. .SH EXAMPLES .EX >> (0.0).cos() = 1 .EE