Van Brummelen, Glen. <br/><br/>
The mathematics of the heavens and the earth:  the early history of trigonometry/ 
 Early history of trigonometry 
Glen van Brummelen. 
 - Oxford;  Princeton, NJ:  Princeton University Press,  2009. 
 - xvii, 329 p.:  ill.;  24 cm. 
<br/><br/>Includes bibliographical references (p. 287-322) and index. 
<br/><br/>The Ancient Heavens : Precursors -- Alexandrian Greece -- India -- Islam -- The West to 1550. 
<br/><br/><label>ISBN: </label>9780691129730 (hbk. : alk. paper) 0691129738 (hbk. : alk. paper) 
<br/><br/><label>LCCN: </label>2008032521 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry--History.<br/>Mathematics--History.<br/>Trigonometrie.
<br/><br/><label>Dewey Class. No.: </label>510.9  / V217m