Hebborn J., Plumpton C. Methods of Trigonometry 1984

Textbook in PDF format

The aim of each book of the Series is to develop a major topic of the single-subject syllabuses giving essential book work, worked examples and numerous exercises arising from the authors' vast experience of examining at this level. Thus, as well as using the core books in either of the above ways, they are ideal for supplementing comprehensive textbooks by providing more examples and exercises, so necessary for the preparation and revision for examinations.
Trigonometric functions
Trigonometric identities
Trigonometric equations and their solution
Other topics
Answers
Index