High School Trigonometry/Authors

Mara Landers

Mara Landers holds a B.A. in mathematics from Swarthmore College, and an M.A. and PhD in mathematics education from the University of California, Berkeley. Dr. Landers has worked as a mathematics educator since 1997, including teaching, tutoring, educational research, and curriculum and assessment development. Dr. Landers is currently an assistant professor of mathematics at Los Medanos College in Pittsburg, CA.

Brenda Meery

Brenda Meery is a high school mathematics teacher in Glace Bay, Nova Scotia. She has been teaching for thirty-three years and has been involved in the implementation of math courses at the high school level. In addition to this involvement, she has been a presenter at many provincial training sessions for math teachers. While teaching full time, she managed to raise four daughters who have since left the nest and are successful in their chosen fields. Teaching has been a diverse yet rewarding experience and a career that she would recommend.

This material was adapted from the original CK-12 book that can be found here. This work is licensed under the Creative Commons Attribution-Share Alike 3.0 United States License