Trigonometry, Plane and Spherical;: With the Construction and Application of LogarithmsJ. Nourse, bookseller in ordinary to his Majesty., 1765 - 79 sider |
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Resultat 1-5 av 23
Side 8
... their difference , fo is the tangent of balf the fum of the two oppofite angles , to the tan- gent of half their difference . B E A F D b For , let ABC be the triangle , and AB and AC the two propofed fides ; and from the cen- ter A ...
... their difference , fo is the tangent of balf the fum of the two oppofite angles , to the tan- gent of half their difference . B E A F D b For , let ABC be the triangle , and AB and AC the two propofed fides ; and from the cen- ter A ...
Side 9
... the tangent of half their difference * . This Theorem , though it requires two proportions , is commonly ufed by Aftronomers in determining the elongation and parallaxes of the planets ( being beft adapted to logarithms ) ; for which ...
... the tangent of half their difference * . This Theorem , though it requires two proportions , is commonly ufed by Aftronomers in determining the elongation and parallaxes of the planets ( being beft adapted to logarithms ) ; for which ...
Side 14
... there be three equidifferent arches AB , AC , AD , it will be , as radius is to the co - fine of their common difference BC , or CD , fo is the fine CF , of the mean , to half the fum of the fines BE + DG , of the two extremes : and , as ...
... there be three equidifferent arches AB , AC , AD , it will be , as radius is to the co - fine of their common difference BC , or CD , fo is the fine CF , of the mean , to half the fum of the fines BE + DG , of the two extremes : and , as ...
Side 18
With the Construction and Application of Logarithms Thomas Simpson. , 309017 , & c . ( equal to half the fide of a decagon infcribed in the circle ) let the co - fine of 3 ° , the difference between 18 ° and 15 ° , be found * ; from which ...
With the Construction and Application of Logarithms Thomas Simpson. , 309017 , & c . ( equal to half the fide of a decagon infcribed in the circle ) let the co - fine of 3 ° , the difference between 18 ° and 15 ° , be found * ; from which ...
Side 30
... their difference , fo is the tangent of half the Sum of thofe arches to the tangent of half their difference : and , as the fum of the co - fines is to their difference , fo is the co - tangent of half the fum of the arches to the ...
... their difference , fo is the tangent of half the Sum of thofe arches to the tangent of half their difference : and , as the fum of the co - fines is to their difference , fo is the co - tangent of half the fum of the arches to the ...
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