Plane Trigonometry Part-I

This book on trigonometry is the product of the author's experience in teachinglearning the subject. His realization for a textbook on trigonometry that explains core concepts of triangles dealing with their sides and their angles made him to write this textbook. The discussion on various concepts and exercises given in it will provide encouragement to serious learners. It is a must-have book for those preparing for various science and engineering entrance examinations.