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

module Math

  # Cosecans of `x`.
  def self.csc(x)
    1.0 / sin(x)
  end

  # Cosecans of `x`.
  def self.cosec(x)
    1.0 / sin(x)
  end

end