Gabuyo, Yonardo A. <br/><br/>
Plane trigonometry :  a modern approach / 
Yonardo A. Gabuyo and Leila D.P. Mejia 
 - Manila, Philippines :  Rex Book Store,  c2011 
 - ix, 324 pages ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>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. 
<br/><br/> 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. 
<br/><br/><label>ISBN: </label>9789712361326 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PLANE -- TRIGONOMETRY
<br/><br/><label>LC Class. No.: </label>QA 533 .G33 2011