'\" t
.\" Copyright (c) 2026 Bruce Hill
.\" All rights reserved.
.\"
.TH Num.tan 3 2026-08-27 "Tomo man-pages"
.SH NAME
Num.tan \- tangent
.SH LIBRARY
Tomo Standard Library
.SH SYNOPSIS
.nf
.BI Num.tan\ :\ func(x:\ Num\ ->\ Num?)
.fi
.SH DESCRIPTION
The tangent of an angle in radians.


.SH ARGUMENTS

.TS
allbox;
lb lb lbx
l l l.
Name	Type	Description
x	Num	The angle in radians. 
.TE
.SH RETURN
The tangent of `x`, or `none` at a pole.

.SH EXAMPLES
.EX
assert (0.).tan()! == 0
.EE
.SH SEE ALSO
.BR Tomo-Num (3)