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tan   function



Syntax
theTangent = 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