00551cam a2200205 4500 606413004 TxAuBib 20151006120000.0 000621|||||||||||||||||||||||||||||eng|u (OCoLC)733804072 TxAuBib Foresman, Scott. Trigonometry. 2nd. Dallas : Scott, Foresman and Company. 322 pgs. includes index : illus. 20110915. Trigonometry. TXNAV