Sec(x)

Definition

The secant function, represented as sec(x), is a trigonometric function that gives us the reciprocal of cosine. It calculates the ratio of the hypotenuse to the adjacent side in a right triangle.

Related terms

Cosine (cos): The cosine function determines the ratio between adjacent side and hypotenuse in a right triangle.

Angle of Depression: The angle between a horizontal line and an observer's line of sight when looking downwards.

Unit Circle: A circle with radius 1 unit used for understanding trigonometric functions.