Andreescu, Titu, 1956- 103 trigonometry problems: from the training of the USA IMO team/ One hundred three trigonometry problems Titu Andreescu, Zuming Feng. - Boston: Birkhäuser, c2004. - xii, 115 p.: ill.; 24 cm. Includes bibliographical references (p. [212]-214). ISBN: 3764343176 (alk. paper) 0817643346 (pbk. : alk. paper) LCCN: 00202838 Subjects--Meeting Names: U.S.A. Mathematical Olympiad. Subjects--Topical Terms: Trigonometry Dewey Class. No.: 510.7