Kells, Lyman M <br/><br/>
Plane trigonometry^ien 

 - 2 
 - Nueva York:  McGraw-Hill,  1942 
 - 303p.  ilus.  23.5 cm 
<br/><br/> Incluye appendix 
<br/><br/>Trigonometric functions of an cute angle, fundamental relations among the trigonometric functions, right triangles 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matemáticas
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libros de Texto
<br/><br/><label>Dewey Class. No.: </label>ECO 514  / K37