A Treatise on Plane and Spherical Trigonometry: Including the Construction of the Auxiliary Tables ; a Concise Tract on the Conic Sections, and the Principles of Spherical ProjectionUriah Hunt & Son, 1860 - 228 sider |
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A Treatise on Plane and Spherical Trigonometry: Including the Construction ... Enoch Lewis Uten tilgangsbegrensning - 1844 |
A Treatise on Plane and Spherical Trigonometry: Including the Construction ... Enoch Lewis Uten tilgangsbegrensning - 1844 |
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ABDP adjacent angle angled spherical triangle base bisect C.cos c.sin centre circle Art common section Comp AC cone conical surface consequently construction cosec cosine cotan directrix distance EB² EC² ecliptic ED² ellipse equal equation given angle greater axis Hence hyperbola hypothenuse join latus rectum less circle Let ABC line of measures logarithms meet opposite ordinate original circle parabola parallel perpendicular plane of projection primitive circle projected circle projected pole projecting point Q. E. D. ART Q. E. D. Cor quadrant radius right angled spherical right ascension right line secant semicircle semitangent sides similar triangles sine sphere spherical angle tangent tangent of half touches the circle triangle ABC vertex vertical angle whence wherefore