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Futurebasic/Language/Reference/tan
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TAN
Function
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Syntax
The tangent# = TAN(expr)
Description
Returns the tangent of expr, where expr is given in radians. TAN always returns a double-precision result. Note:
To find the tangent of an angle degAngle which is given in degrees, use the following:
theTangent# = TAN(degAngle * pi# / 180)
where pi# equals 3.14159265359.
See Also
ATN; SIN; COS