Ruby | BigDecimal cos() function
Last Updated :
06 Dec, 2019
BigDecimal#cos() : cos() is a BigDecimal class method which returns the value of cosine to the specified number of digits of precision, numeric.
Syntax: BigDecimal.cos()
Parameter: BigDecimal values
Return: the value of cosine to the specified number of digits of precision, numeric.
Example #1 : Example for cos() method
require 'bigdecimal'
require 'bigdecimal/util'
require "bigdecimal/math"
include BigMath
a = BigMath.cos(BigDecimal( "10" ), 2 ).to_s
b = BigMath.cos(BigDecimal( "0" ), 1 ).to_s
c = BigMath.cos(BigDecimal( "-1" ), 3 ).to_s
puts "BigDecimal a cos method : #{a}\n\n"
puts "BigDecimal b cos method : #{b}\n\n"
puts "BigDecimal c cos method : #{c}\n\n"
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Output :
BigDecimal a cos method : -0.83907152907645246825216692820607553E0
BigDecimal b cos method : 0.1E1
BigDecimal c cos method : 0.540302305868139718063666551191971443E0
Example #2 :
require 'bigdecimal'
require 'bigdecimal/util'
require "bigdecimal/math"
include BigMath
a = BigMath.cos(BigDecimal( "120" ), 2 ).to_s
b = BigMath.cos(BigDecimal( "1.0" ), 4 ).to_s
c = BigMath.cos(BigDecimal( "-3" ), 1 ).to_s
puts "BigDecimal a cos method : #{a}\n\n"
puts "BigDecimal b cos method : #{b}\n\n"
puts "BigDecimal c cos method : #{c}\n\n"
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Output :
BigDecimal a cos method : 0.81418097052656177616342509565903133E0
BigDecimal b cos method : 0.540302305868139717171666551191971443E0
BigDecimal c cos method : -0.9899924966004454524570754831726682E0
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