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Related to arc cosecant: Arccsc
arc cosecant[′ärk kō′sē‚kant]
Also known as anticosecant; inverse cosecant.
For a number x, any angle whose cosecant equals x.
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.