The term "sinh" refers to the hyperbolic sine function, commonly denoted as sinh. It is a mathematical function that relates to the geometry of hyperbolas, similar to how the sine function relates to circles. The formula for sinh is given by \textsinh(x) = \frace^x - e^{-x}2 , where e is the base of the natural logarithm. sinh is often used in various fields, including physics and engineering, to model phenomena involving hyperbolic shapes or growth processes. It is particularly useful in solving differential equations and in the study of wave functions. Understanding sinh can help in grasping more complex mathematical concepts and applications.