TY - BOOK AU - Dressler,Isidore AU - Rich,Barnett TI - Trigonometry U1 - 516.24 PY - 1975/// CY - New York PB - Amsco KW - Trigonometry KW - Problems, exercises, etc N1 - Includes index UR - http://www.archive.org/details/trigonometry00dres UR - http://www.openlibrary.org/books/OL24374691M ER -