Search Results       Your search for [author]Tasarra, Serelino T. returned 1 record.           Effectiveness of triodical triangles as a teaching device in plane trigonometry classes. by Tasarra, Serelino T.; 2007. Subject: Plane trigonometry -- Study and teaching (Higher) -- Aids and device; Triodical triangles.          Add to Book Cart Relevance: 26.68%