“arc cosecant”的概念、定义、翻译、参考文献-科学参考

单词	arc cosecant
释义	arc cosecant [`ärk kō`sē´kant] ^MATHEMATICS 1. For a number x, any angle whose cosecant equals x. 2. For a number x, the angle between -π/2 radians and π/2 radians whose cosecant equals x; it is the value at x of the inverse of the restriction of the cosecant function to the interval between -π/2 and π/2.
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