Trigonometric Identities Tutor is an app available for the apple iOS app store that will help you memorize the trigonometric identities most commonly used for High School, Community College, and University mathematics classes such as precalculus and calculus courses. The app will teach you the most common Trigonometric Identities as well as those for the hyperbolic functions, inverse functions and the most common derivatives and integral values for trigonometric identities. It will help you to memorize the values of the Unit Circle for the cosine and sine functions in terms of degrees and radians. Also, it will help you to memorize and recognize the most common graphical functions for trigonometric functions, logarithms and the most common functions taught in these introductory courses. An excellent study aid for these math courses.