TY  - BOOK
AU  - Ayres, Frank
TI  - Theory and problems of plane and spherical trigonometry^ien
U1  - ECO 012 
PY  - 1954///
CY  - New york
PB  - Schaum
KW  - Trigonometria
KW  - Libros de Texto
N1  - Incluye indice; Angles an arc length, trigonometric functions of a general angle, trigonometric functions of an acute angle, tables of trigonometric functions, practical application, logarithms, logarithmic solution of right triangles, reduction to function of positive acute angles, variations and graphs of the trigonometric functions, fundamental relations identities, trigonometric functions of two angles, sum, oblique triangles, logarithmic solution of oblique triangles, areas, inverse trigonometric functions, trigonometric equations, complex numbers, topic from solid geometry, right spherical triangles, oblique spherical triangles, course an distance, the celestial sphere
ER  -