TY - BOOK AU - Barnett, Raymond A. AU - ED - ED - ED - ED - SN - 534028586 SN - 2 PY - 1984///;copyright 198446 CY - Belmont, CA. PB - Wadsworth Publishing Company KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Plane trigonometry N1 - Includes index; 5 ER -