An Elementary Treatise on the Application of Trigonomentry to Orthographic and Stereographic Projection, Dialling, Mensuration of Heights and Distances, Navigation, Nautical Astronomy, Surveying and Levelling: Together with Logarithmic and Other Tables : Designed for the Use of the Students of the University at Cambridge, New England |
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Common terms and phrases
algebraic altitude angle centre chord circle circumference Co-secant Secant Co-tang conjugate axis consequently construction corresponding cosine curve declination deduce Degs described determine diameter difference of latitude divided draw ecliptic ellipse equal equation expression figure formula Geom give horizon hour angle HourA.M HourA.M.HourP.M hyperbola known latitude let fall logarithms longitude manner mean proportional measure meridian multiplying N.sine number of degrees observed obtain opposite ordinates parallel perpendicular plane of projection pole quantity radius refraction represent respectively right ascension right-angled triangle sides similar triangles sin a sin sine spherical triangle square straight line subtract sun's supposed tang tangent tion transverse axis triangle ABC Trig trigonometry whence zenith distance