单词	arc cotangent
释义	arc cotangent noun : the inverse function to the cotangent if y is the cotangent of θ, then θ is the arc cotangent of y called also inverse cotangent —abbreviation arccot Word History First Known Use circa 1889, in the meaning defined above
随便看	spoil five spoil for spoil ground spoil heap spoil-mold spoilable spoilabler spoilables spoilablest spoilage spoilages spoilatia spoilation spoilations spoiled spoiled (for) spoiled for spoiled for choice spoiled rotten spoiled/spoilt for choice spoiler spoiler alert spoilers spoiling spoiling (for)

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