TY - BOOK AU - Gabuyo, Yonardo A. AU - Mejia, Leila D.P. TI - Plane trigonometry: a modern approach SN - 9789712361326 AV - QA 533 .G33 2011 PY - 2011/// CY - Manila PB - REX Book Store KW - PLANE -- TRIGONOMETRY N1 - Includes bibliographical references and index; Chapter 1. Angles and their measurements -- Chapter 2. Trigonometry functions of acute angles -- Chapter 3. Trigonometric functions of general angles -- Chapter 4. Solutions of right triangles -- Chapter 5. Trigonometric identities and equations -- Chapter 6. Solutions of Oblique triangles -- Chapter 7. Graphing trigonometric functions -- Chapter 8. Inverse trigonometric functions -- Chapter 9. Complex Numbers -- Chapter 10. Logarithms N2 - The need for an updated book in trigonometry geared for students has inspired the authors to undertake the writing of this book. Throughout the book, there is a conscious effort on the part of the authors to present the topics in a sound pedagogical manner, the usual course in trigonometry as offered in different colleges and technical schools ER -