TY - BOOK AU - Cruz,Ronnie AU - Charlotte Deguzman AU - Jeffrey Bajas AU - Bill Clinton Regorgo AU - Llaresna, emmanuel M. TI - Development validation, and acceptability of modules In trigonometry of fourth year High School Students AV - LG 221. R59. D1923 2013 PY - 2013/// KW - Trigonometrical functions KW - Geometry, Analytic-Plane N1 - Undergraduate Study Thesis N2 - This study aimed to develop, Validate and determine the level the acceptability of modules in Trigonometry, which will serve as supplementary instructional material in Teaching Trigonometry. This was conducted during the school year 2013-2014 at Kasiglahan village National High School ER -