Futurebasic/Language/Reference/cos
(Redirected from 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