Trigonometry: Plane and Spherical; with the Construction and Application of Logarithms. By Thomas Simpson, F.R.S.F. Wingrave, successor to Mr. Nourse, 1799 - 79 sider |
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Side 56
... half the radius , and the difference of the co fines , of the fum and difference of thofe arches ; and that the rectangle of their co - fines is equal to a rectangle under half the radius , and the fun of the co - fines , of the fum and ...
... half the radius , and the difference of the co fines , of the fum and difference of thofe arches ; and that the rectangle of their co - fines is equal to a rectangle under half the radius , and the fun of the co - fines , of the fum and ...
Side 72
... fun , or difference , of the bypothenufe and the other leg AB being given , to determine the bypothenufe ( fee the ... half the fum of the hypothenuje and the other leg , to the tangent of half their difference . PROP . XXII . The angle ...
... fun , or difference , of the bypothenufe and the other leg AB being given , to determine the bypothenufe ( fee the ... half the fum of the hypothenuje and the other leg , to the tangent of half their difference . PROP . XXII . The angle ...
Vanlige uttrykk og setninger
5th rem AB by Theor AC by Theor AC-BC AC+BC adjacent angle alfo alfo known alfo let alſo arch bafe baſe becauſe bifecting cafe chord circle co-f co-fecant co-fine AC co-tangent of half common logarithm confequently COROL COROLLARY diameter dius equal to half excefs fame fecant fecond feries fhall fides AC fince fines firft firſt fpherical triangle ABC fquare fubtracted fupplement fuppofed garithms gles great-circles half the difference half the fum half the vertical Hence hyperbolic logarithm hypothenufe interfect laft leffer leg BC likewife LUKE HANSARD moreover oppofite angle pendicular perpendicular plane triangle ABC progreffion PROP propofed proportion radius reafon refpectively right-angled spherical triangle right-line ſhall ſphere tang tangent of half THEOREM theſe thofe Trigonometry verfed vertical angle whence whofe