Futurebasic/Language/Reference/cos

COS function

COS

Function

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Syntax

theCosine# = COS(expr)

Description

Returns the cosine of expr, where expr is given in radians. The returned value will be in the range -1 to +1. COS always returns a double-precision result.

Note:
To find the cosine of an angle degAngle which is given in degrees, use the following:

   theCosine# = COS(degAngle * pi# / 180)

where pi# equals 3.14159265359

See Also

ACOS
SIN
TAN