plural of trigonometrical station

(mathematics) A function that is the inverse of an appropriate restriction of a trigonometric function.

(mathematics) The logarithm of a trigonometric function

plural of inverse trigonometric function

plural of logarithmic trigonometric function

(trigonometry) The equality sin (x)²+ cos (x)²=1, holding for all real and complex x, equivalent to the application of the Pythagorean theorem to the unit circle.

plural of Pythagorean trigonometric identity