“arc tangent”的概念、定义、翻译、参考文献-科学参考

单词	arc tangent
释义	arc tangent [¦ärk `tan·jǝnt] ^MATHEMATICS 1. For a number x, any angle whose tangent equals x. 2. For a number x, the angle between -π/2 radians and π/2 radians whose tangent equals x; it is the value at x of the inverse of the restriction of the tangent function to the interval between -π/2 and π/2.
随便看	implicit function theorem implicit programming implosion implosion weapon imposed date imposed load imposition impost impotence impound impounding reservoir impregnate impregnated bit impregnated timber impressed current impressed voltage impression impression block impression cylinder imprint imprinter imprinting imprisoned incompleteness improper divisor improper fraction

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