Cos^2(x)

Definition

cos^2(x) refers to squaring (multiplying by itself) the cosine function with angle x. This results in values ranging from 0 to 1 inclusively since cosine oscillates between -1 and 1.

Related terms

Trigonometric Function:

A function that relates angles to ratios of side lengths in triangles.

Composite Function:

A function that combines two or more functions, where the output of one function becomes the input for another.

Domain:

The set of all possible input values for a given function.