Moyer Robert, Ayres Frank. Schaum's outlines of theory and problems of Trigonometry

Third edition. — Fort Valley State University, 1998. — 212 p.The book is complete in itself and can be used equally well by those who are studying trigonometry for
the first time and those who are reviewing the fundamental principles and procedures of trigonometry.
Each chapter contains a summary of the necessary definitions and theorems followed by a solved set of
problems. These solved problems include the proofs of the theorems and the derivation of formulas. The chapters end with a set of supplementary problems with their answers.Отличная книга для подготовки при поступлении в ВУЗ. Все разделы посвящены тригонометрии, содержит решения более 611 задач. Авторы дают ответы на множество разных обыденных вопросов, появляющихся при решении задач, связанных с тригонометрией, на английском языке.