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 25
Side 8
... because of the parallel lines BF and ED , it will be CF : CD :: BF : DE ; but BF and DE , because DBF and BDE are right - angles ( by 13. 3 . and 7. 1. ) will be tangents of the forefaid angles FDB ( ADB ) and DBE ( DBC ) to the radius ...
... because of the parallel lines BF and ED , it will be CF : CD :: BF : DE ; but BF and DE , because DBF and BDE are right - angles ( by 13. 3 . and 7. 1. ) will be tangents of the forefaid angles FDB ( ADB ) and DBE ( DBC ) to the radius ...
Side 12
... CH its co - fecant . - Then ( by 8. 2. ) we have CF the fquare root of CE2 EF ; whence , not A only the co - fine CF , but alfo the verfed fine AF , will will be known . Then because of the fimilar triangles '12 Conftruction of the Table.
... CH its co - fecant . - Then ( by 8. 2. ) we have CF the fquare root of CE2 EF ; whence , not A only the co - fine CF , but alfo the verfed fine AF , will will be known . Then because of the fimilar triangles '12 Conftruction of the Table.
Side 13
... ( because AT : AC :: CD ( AC ) : DH ) , that the rectangle of the tangent and co - tangent is equal to the fquare of the radius ( by 10. 4. ) : whence it likewife follows , that the tangent of half a right - angle is equal to the ra- dius ...
... ( because AT : AC :: CD ( AC ) : DH ) , that the rectangle of the tangent and co - tangent is equal to the fquare of the radius ( by 10. 4. ) : whence it likewife follows , that the tangent of half a right - angle is equal to the ra- dius ...
Side 14
... ( because Bm Dm ) is there- fore equal to half their fum , and Do equal to half their difference . But , because of the fimilar triangles OCF , Omn and Dʊm , It will be SOC : Om :: CF : mn } OC : Dm :: FO : Dv2 E. D. COROL- COROLLARY I ...
... ( because Bm Dm ) is there- fore equal to half their fum , and Do equal to half their difference . But , because of the fimilar triangles OCF , Omn and Dʊm , It will be SOC : Om :: CF : mn } OC : Dm :: FO : Dv2 E. D. COROL- COROLLARY I ...
Side 15
With the Construction and Application of Logarithms Thomas Simpson. COROLLARY I. Because of the foregoing proportions , we have DG + BE OmxCF mn = * > and Dv 2 OC ( DGBE ) Dmx FO 20m x CF ; and therefore DG + BE = OC OC 2Dmx FO and DG BE ...
With the Construction and Application of Logarithms Thomas Simpson. COROLLARY I. Because of the foregoing proportions , we have DG + BE OmxCF mn = * > and Dv 2 OC ( DGBE ) Dmx FO 20m x CF ; and therefore DG + BE = OC OC 2Dmx FO and DG BE ...
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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
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