Problems and theorems in plane trigonometry by David Hewitt

Book digitized by Google from the library of Oxford University and uploaded to the Internet Archive by user tpb.
Publisher 
Year 1840
Pages 157
Possible copyright status NOT_IN_COPYRIGHT
Language English
Digitizing sponsor Google
Book from the collections of Oxford University

Collection europeanlibraries
LINK ORIGINAL DEL LIBRO COMPLETO EN LA WEB 
https://archive.org/details/problemsandtheo00hewigoog
LINK DIRECTO PARA BAJAR EL LIBRO EN PDF
https://archive.org/download/problemsandtheo00hewigoog/problemsandtheo00hewigoog.pdf
LINK GOOGLE BOOK
https://books.google.com.br/books?id=YugDAAAAQAAJ&lpg=PR1&ots=yG0PDz31Dc&dq=PROBLEMS%20TRIGONOMETRY%20David%20Hewitt&hl=pt-BR&pg=PP6#v=onepage&q&f=false