Elements of plane and spherical trigonometry |
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Other editions - View all
Elements of Plane and Spherical Trigonometry: With Its Applications to the ... John Radford Young No preview available - 2019 |
Common terms and phrases
a+b+c ABC are given angular apparent altitude arc BC arith azimuth called celestial object celestial sphere centre circle colatitude comp complement computation correction cosec cosine cotangent deduced departure determine diff difference of latitude difference of longitude equal equations equinoctial expression find the angle follows formula Geometry given side Greenwich hence horizon hour angle hypotenuse included angle logarithmic measured meridian method miles Napier's Nautical Almanack obtained opposite angle parallax parallel parallel sailing perpendicular plane sailing plane triangle polar triangle pole PROBLEM quadrant quantities radii radius right ascension right-angled triangle rule sailing secant semidiameter ship sin.c sin.s sine sine and cosine solution sphere spherical angle spherical excess Spherical Geometry spherical triangle spherical trigonometry subtracting surface tan.r tangent theorem third side three angles three sides triangle ABC trigono trigonometrical lines true altitude values vertical
Popular passages
Page viii - In any plane triangle, the sum of any two sides is to their difference, as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Page 99 - B . sin c = sin b . sin C cos a = cos b . cos c + sin b . sin c cos b = cos a . cos c + sin a . sin c cos A cos B cos c = cos a . cos b + sin a . sin b . cos C ..2), cotg b . sin c = cos G.
Page 22 - In every plane triangle, the sum of two sides is to their difference as the tangent of half the sum of the angles opposite those sides is to the tangent of half their difference.
Page vi - An Elementary Treatise on Algebra, Theoretical and Practical; with attempts to simplify some of the more difficult parts of the Science, particularly the Demonstration of the Binomial Theorem in its most general form ; the Summation of Infinite Series ; the Solution of Equations of the Higher Order, &c., for the use of Students.
Page 160 - If the zenith distance and declination be of the same name, that is, both north or both south, their sum will be the latitude ; but, if of different names, their difference will be the latitude, of the same name as the greater.
Page 165 - PS' ; the coaltitudes zs, zs', and the hour angle SPS', which measures the interval between the observations ; and the quantity sought is the colatitude ZP. Now, in the triangle PSS , we have given two sides and the included angle to find the third side ss', and one of the remaining angles, say the angle PSS'. In the triangle zss...
Page 129 - To THE TANGENT OF THE COURSE ; So IS THE MERIDIONAL DIFFERENCE OF LATITUDE, To THE DIFFERENCE OF LONGITUDE. By this theorem, the difference of longitude may be calculated, without previously rinding the departure.
Page vi - MICHAEL O'SHANNESSY, AM 1 vol. 8vo. " The volume before us forms the third of an analytical course, which commences with the * Elements of Analytical Geometry.' More elegant t&xtbooks do not exist in the English language, and we trust they will speedily be adopted in our Mathematical Seminaries. The existence of such auxiliaries will, of itself, we hope, prove an inducement to the cultivation of Analytical Science ; for, to the want of such...
Page 69 - The sum of the three sides of a spherical triangle is less than the circumference of a great circle. Let ABC be any spherical triangle ; produce the sides AB, AC, till they meet again in D. The arcs ABD, ACD, will be semicircumferenc.es, since (Prop.
Page 138 - PEP' (Fig. 22,) represent the meridian of the place, Z being the zenith, and HO the horizon ; and let LL' be the apparent path of the sun on the proposed day, cutting the horizon in S. Then the...
Bibliographic information
| Title | Elements of plane and spherical trigonometry |
| Author | John Radford Young |
| Publisher | J. Souter, 1833 |
| Original from | the University of Michigan |
| Digitized | Jun 9, 2007 |
| Length | 264 pages |
| Export Citation | BiBTeX EndNote RefMan |