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REBOL 3 Functions: arctangent

arctangent  value  /radians

Returns the trigonometric arctangent (in degrees by default).

Arguments:

value [number!]

Refinements:

/radians - Returns result in radians

See also:

arccosine   arcsine   cosine   exp   log-10   log-2   log-e   power   sine   square-root   tangent  

Description

The arctangent function provides the inverse of the tangent function.

print arctangent .22
12.40741852740074


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