Classic Text Series from Arihant is a compilation of some of the great and amazing works done by inspiring Teachers, Authors, Writers and Visionaries around the world, in the field of Science and Mathematics._x000D_ _x000D_ Plane Trigonometry Part 1, by SL Loney is one of the fairly complete elementary textbook on Plane Trigonometry, trusted by lecturers and students since it was first published. What makes this book so popular is its modern treatment of complex quantities with well comprised list of trigonometrical formulas._x000D_ _x000D_ SL Loney is a renowned name and author of this book on Plane Trigonometry that consists of Definitions, Solved Examples, Theorems, and Formulas from easy to challenging levels of difficulty. The book includes 45 Unsolved Exercises spread topic –wise. Given at the end of the book are the Hints and Answers to these questions.