Schaum's Outline of Trigonometry, 5th Edition: 618 Solved Problems + 20 Videos (Schaum's Outline Series)
Frank Ayres Jr., PhD, was formerly professor and head of the Department of Mathematics at Dickinson College, Carlisle, Pennsylvania.  He is the author of eight Schaum's Outlines.Robert E. Moyertaught mathematics at Southwest Minnesota State University. He received his Doctor of Philosophy in Mathematics Education from the University of Illinois in 1974. From Southern Illinois University he received his Master of Science in 1967 and his Bachelor of Science in 1964, both in Mathematics Education.