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

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

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

Plane trigonometry מאת Carpio, Joy N., Guillermo, Jaymie M.

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

Algebra and trigonometry מאת Larson, Ron 1941-

College algebra מאת Larson, Ron 1941-

Table of contents only

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

Trigonometry a worktext מאת Calingasan, Recto Rex M.

Stewart's algebra and trigonometry מאת Stewart, James