An Unabridged, Digitally Enlarged Printing: Trigonometric Functions Of Acute Angles; Solution Of Right Triangles - Trigonometric Functions Of Any Angle - Relations Between The Trigonometric Functions - Trigonometric Analysis - General Values Of Angles; Inverse Trigonometric Functions; Trigonometric Equations - Geographical Representation Of Trigonometric Functions - Solution Of Oblique Triangles - Theory And Use Of Logarithms - Acute Angles Near Zero Or Ninety Degrees - Recapitulation Of Formulas - Right Spherical Triangles - Oblique Spherical Triangles - Applications Of Spherical Trigonometry To The Celestial And Terrestrial Spheres - Four-Place Tables Of Logarithms Compiled By The Author