Futurebasic/Language/Reference/tan

= 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.