@infsup
Compute the cosecant in radians, that is the reciprocal sine.
Accuracy: The result is a tight enclosure.
csc (infsup (1)) ⇒ ans ⊂ [1.1883, 1.1884]
See also: @@infsup/sin, @@infsup/sec, @@infsup/cot.
Package: interval