Aratari, Marie Trigonometry : a circular function approach / Marie Aratari. - 1 v. (various pagings) : ill. (some col.) ; 27 cm. Includes index. ISBN: 0201771748 LCCN: 2002035964 Subjects--Topical Terms: Trigonometrical functionsTrigonometry LC Class. No.: QA531 / .A73 2004