👉 A trigraph is a mathematical symbol or expression that resembles a graph. It is used to represent relationships between variables, angles, and other geometric shapes. For example, the trigraph "sin" represents the sine function, which is the ratio of the length of the opposite side to the hypotenuse in a right triangle. Trigonometry is a branch of mathematics that deals with the relationships between lengths, angles, and sides of triangles. It involves the study of trigonometric functions, such
