TY - BOOK AU - Hayden,Jerome D. AU - Hall,Bettye C. TI - Prentice Hall trigonometry SN - 9780139797095 U1 - 516.24 PY - 1993/// CY - Englewood Cliffs, N.J. PB - Prentice Hall KW - Trigonometry KW - Study and teaching N1 - Includes index ER -