Schaums̀ outline of theory and problems of plane and spherical trigonometry

Angles and arc length, cap.1 trigonometric functions of a general angle, cap.2 trigonometric functions of an acute angle, cap.3 tables of trigonometric functions, solution of right triangles, cap.4 practical applications, cap.5 logarithms, cap.6 logarithmic solition of rigth triangles, cap.7 reduction to functions of positive acute angles, cap.8 variations and graphs of the trigonometric functions, cap.9 fundamental relations and identities, cap.10 trigonometric functions of two angles, cap.11 sum, difference and product formulas, cap.12 oblique triangles, non logarithmic solution, cap.13 logarithmic solution of oblique triangles, cap.14 areas, radii of inscribed and circumscribed circles, cap.15 inverse trigonometric functions, cap.16 trigonometric equations, cap.17 complex numbers, cap.18 topics from solid geometry, cap.19 right spherical triangles, cap.20 oblique spherical triangles, standard solutions, cap.21 oblique spherical triangles, alternative solutions, cap.22 course and distance, cap.23 the celestial sphere, cap.24