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class method
Math.tan
Math.tan(x) → Float
math.c
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static VALUE
math_tan(VALUE unused_obj, VALUE x)
{
return DBL2NUM(tan(Get_Double(x)));
}
Computes the tangent of x (expressed in radians).
Domain: (-INFINITY, INFINITY)
Codomain: (-INFINITY, INFINITY)
Example
Math.tan(0) #=> 0.0