The expression sin(x) / x represents a common mathematical ratio involving trigonometric functions. It is often used in calculus to analyze and calculate limits.
Related terms
Trigonometric functions: Functions like sine, cosine, and tangent that relate angles in triangles with ratios involving lengths of sides.
Continuous functions: A function is continuous if its graph has no breaks or holes. In other words, there are no sudden jumps or gaps in its values.
Differentiable functions: A differentiable function is one that has derivatives at all points within its domain.