The Algebra & trigonometry problem solver: a complete solution guide to any textbook by Research and Education Association fromREA's problem solvers 0 Type: Book
The Algebra and Trigonometry problem solver by Research and Education Association, Fogiel, M. fromREA's problem solvers 0 Type: Book
Trigonometric functions (Problem-solving approach) by Shavgulidze, E., Panchishkin, Alexey A. 0 Type: Book
