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Categories / Ruby / 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