Drooyan, Irving <br/><br/>
Trigonometry :  an analytic approach / 
Irving Drooyan, Walter Hadel, and Charles C. Carico. 
 - Fifth Edition 
 - New York :  Macmillan Publishing Company,  c1987 
 - xi, 396 pages :  illustrations ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/>1. Circular functions -- 2. Graphs: inverse circular functions -- 3. Trigonometric functions: solution of triangles -- 4. Identities of conditional equations -- 5. Vectors -- 6. Complex numbers: polar coordinates. 
<br/><br/> This fifth edition reflects twenty years of classroom experience with the earlier editions. 
<br/><br/><label>ISBN: </label>23306505 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TRIGONOMETRY -- PLANE
<br/><br/><label>LC Class. No.: </label>QA 533 .D76 1987