00642cam a2200229 4500 2268571 BD-DhUL 20140831125100.0 720413s1972 paua 001 0 eng 78180181 0721646328 DLC DLC DLC BD-DhUL QA533 .H475 514.6 HEA Helton, Floyd Franklin, 1912- Analytic trigonometry / Floyd F. Helton. Philadelphia : Saunders, 1972. vii, 297 p.: ill.; 26 cm. Plane trigonometry. 7 cbc orignew 2 ncip 19 y-gencatlg ddc BK 6546 6546 0 0 ddc 0 514_600000000000000_HEA 0 NFIC 11382 DUSL DUSL GEN 1983-04-14 Gift 514.6 HEA A216331 2014-08-31 2 2014-08-31 BK 0 0 ddc 0 514_600000000000000_HEA 0 NFIC 11385 DUSL DUSL GEN 1983-04-14 Gift 514.6 HEA A216330 2014-08-31 1 2014-08-31 BK