The book centres on the basic concepts of trigonometry and analytic geometry.It is prepared most especially for the undergraduates, in universities, polytechnics, monotechnic, colleges of education, as well as other higher education.. The book is very much indispensable for those who desires to learn and develop themselves with good foundation in both Mathematic and mathematical sciences.Students and learners in Physical, chemical and earth sciences are very well privileged to have a copy of the book.