Page Tools:

Trigonometry, Third Edition

Author(s): Dennis G. Zill, Loyola Marymount University
Jacqueline M. Dewar, Loyola Marymount University
  • ISBN-13: 9781449606046
  • Hardcover    394 pages      © 2012
Price: $247.95 US List
Add to Cart Request a Review Copy

Available with WebAssign Online Homework and Grading System -- Click HERE to view demo!

Designed for the one-term course in trigonometry, the Third Edition incorporates all of the many teaching and learning tools that have made Zill's texts a resounding success.  A rich pedagogy and an extensive supplements package make this text a must-have resource for students and instructors alike.  Zill takes care to include a full set of engaging and motivating features for students, including a wide range of word problems and specific applications, historical accounts of mathematicians, and a strong variety of relevant exercises. These extensive exercises give students the opportunity to test their comprehension, challenge their understanding, and apply their knowledge to real-world situations.

View sample chapters in the Samples and Additional Resources tab below!

Features & Benefits

  • Lucid examples throughout draw students into the text and clarify the key material at hand.
  • End-of-chapter exercises allow students to test their understanding of the concepts discussed in that chapter.
  • Answers to selected exercises appear as an appendix and allow students to check their work
  • Zill's "no nonsense" approach provides a straightforward, concise, and modern introduction to trigonometric topics at a level appropriate for today's undergraduate student.
  • Notes from the Classroom are remarks aimed at students and address a variety of student issues, such as alternative terminology, reinforcement of important concepts, misinterpretations, common errors, and more.
  • Available with WebAssign Online Homework and Grading system

Applicable Courses

Designed for the one-term course in trigonometry typically offered at 2- and 4-year colleges and universities.

Chapter  1  Prerequisites for Trigonometry
Chapter  2  Right Triangle Trigonometry
Chapter  3  Unit Circle Trigonometry
Chapter  4  Applications of Trigonometry
Chapter  5  Complex Numbers and Vectors
Chapter  6  Exponential and Logarithmic Functions
Chapter  7  Topics in Analytic Geometry
Chapter  8  Polar Coordinates

Dennis G. Zill-Loyola Marymount University

Dennis Zill received a PhD in Applied Mathematics from Iowa State University, and is a former professor of Mathematics at Loyola Marymount University in Los Angeles, Loras College in Iowa, and California Polytechnic State University. He is also the former chair of the Mathematics department at Loyola Marymount University, where he currently holds a rank as Professor Emeritus of Mathematics. Zill holds interests in astronomy, modern literature, music, golf, and good wine, while his research interests include Special Functions, Differential Equations, Integral Transformations, and Complex Analysis.


Jacqueline M. Dewar-Loyola Marymount University

Jacqueline Dewar - In her 30-year teaching career at Loyola Marymount University in Los Angeles, California, Jackie Dewar has taught a wide variety of courses ranging from intermediate algebra and precalculus to algebraic topology and been very active in curriculum development.   She has developed or co-developed a hands-on lab for future elementary teachers, a unique math/science core course entitled Mathematics:  Contributions by Women, a community-building course for freshman math majors that focuses on problem solving and mathematical communication, and a quantitative literacy course that engages students in campus or local community issues. 

             From 1995-2001 she worked with a team of faculty from ten institutions of higher education in the Los Angeles Collaborative for Teacher Excellence (, a $5,500,000 NSF-funded initiative with the goal of improving K-12 teacher preparation programs in science and mathematics. She has served as department chair (1983-86, 2005-6) and was recently appointed the Director of Loyola Marymount University’s Center for Teaching Excellence.

             In 2003, she was selected as one of 26 scholars by the Carnegie Academy for the Scholarship of Teaching and Learning (SoTL). She has worked to expand the international SoTL movement in the mathematics community by co-organizing minicourses (2006, 2007) and a contributed paper session (2007) at the national meeting of the Mathematical Association of America.  In 2006, she received the Mathematical Association of America’s Deborah and Franklin Tepper Haimo Award for Distinguished College or University Teaching.  She has written book reviews for Teaching Children Mathematics, and published articles in The Arithmetic Teacher, College Mathematics Journal, Collegiate Microcomputer, Journal of Mathematics and Science:  Collaborative Explorations, Mathematics and Computer Education, and National Teaching and Learning Forum.


The following instructor resources are available to qualified instructors for download

ISBN-13: 9781449606046

Image Bank
Test Bank

Student Resource Manual to accompany Trigonometry, Third Edition (ExpressPDF)

ISBN-13: 9781449665234

The Student Resource Manual, prepared by Warren S. Wright and Carol D. Wright, offers numerous study aids and learning tools.  Worked out solutions to selected exercises are included and allow students to check their work as they move through the course.