Definition of "arctangent" []

• Any of several single-valued or multivalued functions that are inverses of the tangent function. Symbol: arctan, tan-1 (noun)

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• "The arctangent is the inverse of that, and the regular"
• "I love that she got “arctangent” before he did, and I have every intention of looking that word up."
• "This time she asks me how to divide a beggar and an arctangent."