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Worktext in college trigonometry nork Domingo, Alleli C., Dimasuay, Lynie B., Lawas, Vernel M., Lubag, Sharon P., Almonte, Velimor D.

Plane & spherical trigonomerty a tetrahedron approach nork Mamhot, Millard R., Endam, Joemar C., Mamhot, Alice A., Banagua, Emelyn C., Bantug, Jenette S.

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Plane and spherical trigonometry text / workbook nork Baltazar, Ethel Cecille M., Dy, Ana Liza M., Vidar, Melvin A.

Algebra and trigonometry nork Larson, Ron 1941-

College algebra nork Larson, Ron 1941-

Table of contents only

Basic algebra and spherical trigonometry nork Exconde, Maria Rosario C., Sabino, Lilibeth D., Marquez, Romel L., Fajardo, Ira A.

Trigonometry a worktext nork Calingasan, Recto Rex M.

Stewart's algebra and trigonometry nork Stewart, James