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Futurebasic/Language/Reference/sin
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SIN
Syntax
theSine# = SIN(expr)
Description
Returns the sine of expr, where expr is given in radians. The returned value will be in the range -1 to +1. SIN always returns a double-precision result.
Note
To find the sine of an angle degAngle which is given in degrees, use the following:
theSine# = SIN(degAngle * pi# / 180)
where pi# equals 3.14159265359
See Also
ASIN; COS; TAN; USR _sine