csc -- cosecant

• Usage:

  csc x

  csc I

• Inputs:
  • x
  • I, a real interval
• Outputs:
  • a real number, the cosecant of x
  • a real interval, an interval containing the cosecants of the points of I

i1 : csc(pi/3)

o1 = 1.154700538379252

o1 : RR (of precision 53)