Trigonometry, Plane and Spherical;: With the Construction and Application of LogarithmsJ. Nourse, bookseller in ordinary to his Majesty., 1765 - 79 sider |
Inni boken
Resultat 1-5 av 15
Side 11
... and BC : their dif .: dift . DG of the perp . from the middle of the bafe ; whence , AD being also known , the angle A will be found by Cafe 2. of right - angles . Note , Note , The 2d and 3d cafes are ambiguous , Plane Trigonometry .
... and BC : their dif .: dift . DG of the perp . from the middle of the bafe ; whence , AD being also known , the angle A will be found by Cafe 2. of right - angles . Note , Note , The 2d and 3d cafes are ambiguous , Plane Trigonometry .
Side 14
... also bifects it ( by 1. 3. ) and therefore Bm ( or Dm ) will be the fine of BC ( or DC ) , and Om its co - fine : moreover mn , being an arithmetical mean between the fines BE , DG of the two extremes ( because Bm Dm ) is there- fore ...
... also bifects it ( by 1. 3. ) and therefore Bm ( or Dm ) will be the fine of BC ( or DC ) , and Om its co - fine : moreover mn , being an arithmetical mean between the fines BE , DG of the two extremes ( because Bm Dm ) is there- fore ...
Side 24
... also appears ( from Def . 2. ) that all great- circles , paffing through the pole of a given circle , cut that circle at right - angles ; because they pafs through , or coincide with the axis , which is per- pendicular to it . B E D A 3 ...
... also appears ( from Def . 2. ) that all great- circles , paffing through the pole of a given circle , cut that circle at right - angles ; because they pafs through , or coincide with the axis , which is per- pendicular to it . B E D A 3 ...
Side 25
With the Construction and Application of Logarithms Thomas Simpson. 4. Hence it is also manifeft , that the an- gles B and E , of the complemental triangles ABC and FCE , are both right - angles ; and that CE is the complement of AC , CF ...
With the Construction and Application of Logarithms Thomas Simpson. 4. Hence it is also manifeft , that the an- gles B and E , of the complemental triangles ABC and FCE , are both right - angles ; and that CE is the complement of AC , CF ...
Side 26
... also be perpendicular to it , and confequently the angle AIK a right - angle . Therefore , feeing the angles OFE , GHC and AIK are all right - angles , and that the planes of the three triangles OFE , GHC and AIK are all perpendicular ...
... also be perpendicular to it , and confequently the angle AIK a right - angle . Therefore , feeing the angles OFE , GHC and AIK are all right - angles , and that the planes of the three triangles OFE , GHC and AIK are all perpendicular ...
Andre utgaver - Vis alle
Trigonometry, Plane and Spherical: With the Construction and Application of ... Thomas Simpson Uten tilgangsbegrensning - 1748 |
Trigonometry, Plane and Spherical: With the Construction and Application of ... Thomas Simpson Uten tilgangsbegrensning - 1765 |
Trigonometry, Plane and Spherical: With the Construction and Application of ... Thomas Simpson Uten tilgangsbegrensning - 1765 |
Vanlige uttrykk og setninger
4th rem AC by Theor AC-BC AD² adjacent angles AE² alſo known arch baſe becauſe bifecting cafe chord circle co-fecant co-fine AC co-tangent of half common logarithm confequently COROL COROLLARY defcribed diameter dius E. D. PROP equal to half excefs exceſs faid fame fecant fecond feries fhall fides AC fince fines firft firſt fpherical triangle ABC fquare fubtracted fupplement fuppofed garithms gent of half given gles great-circles half the bafe half the difference half the fum half the vertical Hence hyperbolic logarithm hypothenufe interfect itſelf laft leffer leg BC likewife moreover pendicular perpendicular plane triangle ABC progreffion propofed proportion radius refpectively right-angled Spherical triangle right-line ſhall ſphere ſpherical tang tangent of half THEOREM thofe thoſe Trigonometry verfed vertical angle whence whofe