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 |
From inside the book
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Page xxiii
... latitude of the place , and the sun's declina- tion , to find his amplitude , ascensional difference , and the time of his rising and setting 3. The latitude of the place , and the sun's ( or a star's ) declination being given , to find ...
... latitude of the place , and the sun's declina- tion , to find his amplitude , ascensional difference , and the time of his rising and setting 3. The latitude of the place , and the sun's ( or a star's ) declination being given , to find ...
Page 20
... latitude of that division . Or the extent from any division to another on the line of meridional parts , applied to the line of equal parts , will give the meridional difference of latitude be- tween the two places denoted by the ...
... latitude of that division . Or the extent from any division to another on the line of meridional parts , applied to the line of equal parts , will give the meridional difference of latitude be- tween the two places denoted by the ...
Page 23
... latitude from the table , and divide them by 60 ; take these quotients from ... difference between the first and 2 sine AB × sine Bè : square rad . :: sine ... difference between the third C 4 CHAP . IV . 23 GUNTER'S SCALE , Demonstration ...
... latitude from the table , and divide them by 60 ; take these quotients from ... difference between the first and 2 sine AB × sine Bè : square rad . :: sine ... difference between the third C 4 CHAP . IV . 23 GUNTER'S SCALE , Demonstration ...
Page 52
... latitude sailed from , and AA the parallel of latitude arrived at . Hence BC be- comes the difference of latitude , AB the departure , ca the distance sailed , the angle ACB the course , and the angle BAC the complement of the course ...
... latitude sailed from , and AA the parallel of latitude arrived at . Hence BC be- comes the difference of latitude , AB the departure , ca the distance sailed , the angle ACB the course , and the angle BAC the complement of the course ...
Page 73
... latitude of the place a given , the amplitude NA is easily ascertained , * and consequently their difference BAN is ... latitude between a and D may be determined . Find , from observation with a zenith sector , the true zenith distance ...
... latitude of the place a given , the amplitude NA is easily ascertained , * and consequently their difference BAN is ... latitude between a and D may be determined . Find , from observation with a zenith sector , the true zenith distance ...
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