news.gitea.happylizard.me/bin/gems/facets-3.1.0/lib/standard/facets/math/acsc.rb

module Math

  # Arcus cosecans of `x`.
  def self.acsc(x)
    asin(1.0 / x)
  end

  # Arcus cosecans of `x`.
  def self.acosec(x)
    asin(1.0 / x)
  end

end