Method on @infsup: cot (X)

Compute the cotangent in radians, that is the reciprocal tangent.

Accuracy: The result is a tight enclosure.

cot (infsup (1))
  ⇒ ans ⊂ [0.64209, 0.6421]

See also: @infsup/tan, @infsup/csc, @infsup/sec.

Package: interval