Trigonometry, Plane and Spherical: With the Construction and Application of Logarithms |
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Vanlige uttrykk og setninger
added alſo appears arch balf baſe becauſe called caſe chord circle co-f co-fine AC co-tang common conſequently Corol COROLLARY determine diameter difference divided drawn Edition equal equal to half evident exceſs extremes fecant fides fine fines firſt follows given gives gles great-circles greater half the difference half the ſum Hence hyperbolic logarithm hypothenuſe known laſt logarithm manifeft meeting method minute Moreover Note oppoſite parallel perpendicular plane triangle ABC preceding PROP proportion propoſed radius reſpectively right-angled ſame ſee ſeries ſhall ſides ſides AC ſince ſine ſpherical triangles ABC ſum ſuppoſed taking tang tangent of half Tbeor Theor THEOREM thereof theſe thoſe unity vertical angle whence whoſe
Populære avsnitt
Side 3 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; and each degree into 60 minutes, each minute into 60 seconds, and so on.
Side 30 - U to their difference, fo is the tangent of half the fum of thofe arches, to the tangent of half their difference; and, As the fum of the...
Side 4 - The fine, or right-fine, of an arch, is a right line drawn from one extremity of the arch, perpendicular to the diameter paffing through the other extremity. Thus BF is the fine of the arch AB or DB.
Side 33 - ... fo is the tangent of half the vertical angle, to the tangent of the angle which the perpendicular CD makes with the line CF, bifcding the vertical The Solution of the Cafes of righl-angled fpfierical Triangles, (Fig.
Side 33 - ABC, it will be, as the co -tangent of half the fum of the angles at the bafe, is to the tangent of half their difference, fo is the tangent of half the...
Side 43 - JJ/xJV; hence, The sum of the logarithms of any two numbers is equal to the logarithm of their product. Therefore, the addition of logarithms corresponds to the multiplication of their numbers.
Side 5 - BI, the sine of its complement HB. The tangent of an arc, is a right line touching the circle in one extremity of that arc, continued from thence to meet a line drawn from the centre through the other extremity ; which line is called the secant of the same arc : thus AG is the Ungent, and CG the secant of the arc AB.
Side 4 - A chord, or fubtenfe, is a right line drawn from one extremity of an arch to the other ; thus B £ is the chord or fubterife of the arch BAE, orBDE.
Side 13 - The straight line BE between the centre and the extremity of the tangent AE, is called the Secant of the arch AC, or of the angle ABC. COR. to def.
Bibliografisk informasjon
| Tittel | Trigonometry, Plane and Spherical: With the Construction and Application of Logarithms |
| Forfatter | Thomas Simpson |
| Utgave | 5 |
| Utgiver | F. Wingrove, 1799 |
| Original fra | University of Michigan |
| Digitalisert | 9. jun 2007 |
| Lengde | 79 sider |
| Eksporter sitat | BiBTeX EndNote RefMan |