Ruby provides the Math module that exposes various trigonometric functions including the tangent function. To take the tangent of a number in Ruby, first ensure that you have required the Math module by calling require 'math'. Then use the Math.tan(x) method where x is the number for which you want to find the tangent.
main.rb91 chars7 lines
The output is the tangent of the given number 45, which is approximately 1.6198.
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