Converting Between Degrees and Radians : Utility Method « Method « Ruby

1. Ruby
2. Method
3. Utility Method

Converting Between Degrees and Radians

class Numeric
  def degrees
    self * Math::PI / 180
  end
end

puts 90.degrees
puts Math::tan(45.degrees)                             # => 1.0
puts Math::cos(90.degrees)                             # => 6.12303176911189e-17
puts Math::sin(90.degrees)                             # => 1.0
puts Math::sin(89.9.degrees)                           # => 0.999998476913288

puts Math::sin(45.degrees)                             # => 0.707106781186547
puts Math::cos(45.degrees)                             # => 0.707106781186548

 

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