Cosine Function: The cosine function (cos(x)) represents the ratio between the adjacent side and hypotenuse in a right triangle. It is directly related to secant as sec(x) can be calculated by taking its reciprocal (1/cos(x)).
Periodic Wave: A periodic wave refers to any repeating pattern that occurs over time, such as sound waves or electromagnetic waves. The concept of secant comes into play when analyzing these waves' stretching or compression characteristics.
Trigonometric Functions: Trigonometric functions include sine, cosine, tangent, cosecant, secant, and cotangent functions. Secant is one of these fundamental trigonometric functions used extensively in various mathematical applications.