This work develops the trigonometric functions using a unit circle approach and shows how it leads to the right triangle approach. Graphing techniques are empha

Allowing students to focus on real-life applications of mathematics. Selected examples feature traditional algebraic as well as optional graphing calculator sol

This text focuses on understanding concepts rather than on presenting rote procedures, and blends the various topics and applications of contemporary precalculu

Immerse yourself in Spanish language and culture! Identidades empowers learners to acquire Spanish language skills while immersing them in the richness of the H

Los primeros resultados de esta obra derivan de la Mesa redonda que bajo el título Identidades marginales de la cultura islámica medieval, tuvo lugar en el In