Search Results       Your search for [subject]Plane trigonometry -- Handbooks, manuals, etc returned 1 record.           Development and evaluation of a worktext in plane trigonometry for college students. by Sarmiento, Fely A.; 1995. Subject: Plane trigonometry -- Aids and devices; Plane trigonometry -- Handbooks, manuals, etc; Plane trigonometry -- Study and teaching.          Add to Book Cart Relevance: 32.72%