There are two WileyPLUS platforms for this title, so please note that you should purchase this version if your instructor provided course code starts with an "A". Algebra & Trigonometry , Fourth Edition, delivers a clear roadmap to success with algebra and trigonometry. Written in a clear and singular voice that speaks to students and mirrors how instructors actually communicate in lectures, the book enables students to become independent and skilful learners. Algebra & Trigonometry includes varied exercise types and modeling projects to keep the learning fresh and motivating.