key term - F(x) = (1 - cos(x))/x^2

Definition

This expression represents a function where f(x) equals 1 minus cosine of x divided by x squared.

Related terms

Derivative:

The derivative measures how a function changes as its input (in this case, x) changes. It helps determine rates of change, slopes of curves, and more.

Rational Function:

A rational function is any polynomial divided by another polynomial. In this case, f(x) = (1 - cos(x))/x^2 is a rational function because it involves dividing two polynomials.

Trigonometric Function:

A function that relates angles to the sides of a right triangle. Cosine (cos(x)) is an example of a trigonometric function.