Schaum's outline of precalculus Bằng Safier, Fred

Available for University of the Philippines Diliman via McGraw-Hill Access Engineering. Click here to access
Also available remotely for University of the Philippines Diliman via McGraw-Hill Access Engineering. Click here to access thru EZproxy

A basic approach to precalculus trigonometry preparing to succeed in calculus Bằng Kim, Young H., Kim, Youngsoo, Tameru, Ana, Yan, Wen

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

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

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

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

Trigonometry a worktext Bằng Calingasan, Recto Rex M.

Spherical trigonometry a comprehensive approach Bằng Fajardo, Ira A.

Plane and spherical trigonometry Bằng Catolos, Elvira C., Feniquito, Iryne A., Amado, Ma. Victoria P., Avecilla, Leni A., Alba, Ma. Cristina S., Valderama, Julius S.

Schaum's outlines : trigonometry with calculator-based solutions Bằng Moyer, Robert E