.\"return the cosine of a float .TH cos 3 "5 Sep 1994" MudOS "LPC Library Functions" .SH NAME cos() - return the cosine of a float .SH SYNOPSIS float cos( float f ); .SH DESCRIPTION Returns the cosine of its argument, `f', measured in radians. .SH SEE ALSO acos(3), asin(3), atan(3), sin(3), tan(3)