class Keisan::Functions::Cos

Public Class Methods

new() click to toggle source
Calls superclass method Keisan::Functions::CMathFunction::new
# File lib/keisan/functions/cos.rb, line 4
def initialize
  super("cos")
end

Protected Class Methods

derivative(argument) click to toggle source
# File lib/keisan/functions/cos.rb, line 10
def self.derivative(argument)
  -AST::Function.new([argument], "sin")
end