cos

Type:	-	function (subr)
Source:	-	xlmath.c

Syntax

(cos expr)

expr - floating point number/expression
returns - the cosine of the number

Description

The 'cos' function returns the cosine of the 'expr'. The 'expr' is in radians.

Examples

(cos 0.0)            ; returns 1
(cos (/ 3.14159 2))  ; returns 1.32679e-06 (almost 0)
(cos .5)             ; returns 0.877583
(cos 0)              ; error: bad integer operation
(cos 1.)             ; error: bad integer operation

See the cos function in the XLISP 2.0 manual.

  Back to Top