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'\" t
.\" Copyright (c) 2025 Bruce Hill
.\" All rights reserved.
.\"
.TH Num.acos 3 2025-11-29 "Tomo man-pages"
.SH NAME
Num.acos \- arc cosine
.SH LIBRARY
Tomo Standard Library
.SH SYNOPSIS
.nf
.BI Num.acos\ :\ func(x:\ Num\ ->\ Num)
.fi
.SH DESCRIPTION
Computes the arc cosine of a number.
.SH ARGUMENTS
.TS
allbox;
lb lb lbx
l l l.
Name Type Description
x Num The number for which the arc cosine is to be calculated.
.TE
.SH RETURN
The arc cosine of `x` in radians.
.SH EXAMPLES
.EX
assert (0.0).acos() == 1.5708
.EE
.SH SEE ALSO
.BR Tomo-Num (3)
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