Elements of Trigonometry: Plane and Spherical

angle less angle of elevation angle opposite celestial equator celestial sphere circle circular measure colog common logarithm comp cos² cos³ cosh cosx cosy cotangent Cotg cotx decimal ecliptic equal Find the angle Find the distance Find the height find the logarithm FIVE-PLACE formulas hyperbolic functions hypotenuse included angle initial line latitude light-house log cot log sin 28 LOGARITHMS OF NUMBERS loge longitude mantissa meridian miles Napier's rules negative OBLIQUE TRIANGLES obtain perpendicular plane polar triangle pole positive Prove quadrantal triangle radians radius Required the remaining right angle right ascension right spherical triangle right triangle roots of unity secx side opposite sin² sin³ sine and cosine SINE AND TANGENT sinh siny solution spherical triangle ABC spherical trigonometry subtends an angle tanc Tang tany terminal line TRIGONOMETRIC FUNCTIONS ΙΟ ΙΟΙ