Futurebasic/Language/Reference/cos
COS function
[edit | edit source]COS
[edit | edit source]Function
[edit | edit source]✔ Appearance ✔ Standard ✔ Console
Syntax
[edit | edit source]theCosine# = COS(expr)
Description
[edit | edit source]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