Csc
 Usage
• Csc[z] gives the cosecant of z.
Notes
• Mathematical function (see Section A.3.10). • The argument of Csc is assumed to be in radians. (Multiply by Degree to convert from degrees.) •  . • 1/Sin[z] is automatically converted to Csc[z]. TrigFactorList[expr] does decomposition. • New in Version 1.
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