Mamhot, Millard R. et al. <br/><br/>
Plane and spherical trigonometry /  a tetrahedron approach / 
Millard R. Mamhot, Joemar C. Endam, Alice A. Mamhot, Emelyn C. Banagua, Jenette S. Bantug. 
 - vi, 214 pages :  illustrations ;  23 cm.  
<br/><br/> includes index. 
<br/><br/> College of Arts and Sciences 
<br/><br/><br/>In English. 
<br/><br/><label>ISBN: </label>9789719654056 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry.<br/>Spherical trigonometry.
<br/><br/><label>Dewey Class. No.: </label>516.242/P69