An Introduction to the Theory and Practice of Plane and Spherical Trigonometry, and the Stereographic Projection of the Sphere: Including the Theory of NavigationLongman, Hurst, Rees, Orme, and Brown, 1820 - 442 pages |
Other editions - View all
An Introduction to the Theory and Practice of Plain and Spherical ... Thomas Keith No preview available - 2017 |
An Introduction to the Theory and Practice of Plain and Spherical ... Thomas Keith No preview available - 2014 |
Common terms and phrases
acute altitude Answer apparent altitude azimuth base centre circle co-tangent complement construction cosec cosine degrees diff difference of latitude difference of longitude draw ecliptic equator Euclid find the angle formulæ given side greater Greenwich half the sum Hence horizon horizontal parallax hypoth hypothenuse less log sine mean arc measured meridian miles moon's N.sine N.cos natural number Naut Nautical Almanac noon North oblique observed obtuse parallax perpendicular plane triangle Plate pole PROPOSITION quadrant rad rad rad sine Rad x sine rad2 radius rhumb line right angles right ascension right-angled spherical triangle RULE sailed SCHOLIUM secant shewn side AC sine A sine sine BC sphere spherical angle spherical triangle ABC spherical trigonometry star star's straight line subtract sun's declination supplement tang tangent tangent of half three angles three sides Trigonometry true versed sine