.\"return the tangent of a float .DT tan $MUDNAME$ driver help tan .SH Name .SI 5 tan() - return the tangent of a float .EI .SH Synopsis .SI 5 float tan( float f ); .EI .SH Description .SP 5 5 Returns the tangent of its argument, `f', measured in radians. .EP .SH See also .SI 5 acos(), asin(), atan(), cos(), sin() .EI