00416nam a2200157 i 4500 0846502615 DLC 512 CUM 1976 A057 Or. 516/.24 Trigonometry with applications / Menlo Park, Calif. : Cummings Pub. Co., c1976. 121 p. : ill. ; 24 cm. Includes index. Trigonometry. Ablon, Leon J. EK 14090 14090 0 0 0 512_000000000000000_CUM_1976_A057_OR 0 65803 LBA LBA A057 2017-10-06 512 CUM 1976 A057 Or. A19130 2017-10-06 2017-10-06 EK