Elements of Trigonometry, Plane and Spherical

2sin a. c. log angle AOB angle less angle opposite angle or arc angled spherical triangle column comp complement Computing by logarithms corresponding cos x cos cos x sin cosec cosine cotangent cotx diameter Diff divided equal Find the angles Find the area Find the logarithm Find the number formula given angle given side Given two sides hence hypotenuse included angle less than 180 log cot log sin LOGARITHMIC FUNCTIONS mantissa measuring arc multiple N.sine Napier's Analogies Napier's rules number whose logarithm observe passing primitive circle Prob project and solve project the triangle Prop.-The proposition quadrant radius right angled spherical right angled triangle secant side opposite sin a sin sin(x sine sines and cosines solution solve the triangle species student subtract tabular tang tangent trigonometrical functions values versed-sine whence x cos y