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class method
Math.sin
Math.sin(x) → Float
math.c
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static VALUE
math_sin(VALUE unused_obj, VALUE x)
{
return DBL2NUM(sin(Get_Double(x)));
}
Computes the sine of x (expressed in radians). Returns a Float in the range -1.0..1.0.
Domain: (-INFINITY, INFINITY)
Codomain: [-1, 1]
Example
Math.sin(Math::PI/2) #=> 1.0