Van Brummelen, Glen. <br/><br/>
The doctrine of triangles:  a history of modern trigonometry/ 
Glen Van Brummelen. 
 - pages cm 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780691179414 0691179417 
<br/><br/><label>LCCN: </label>2020047691 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry--History.
<br/><br/><label>Dewey Class. No.: </label>512.13   / V217d