Elements of Plane and Spherical Trigonometry: With Their Applications to Heights and Distances Projections of the Sphere, Dialling, Astronomy, the Solution of Equations, and Geodesic OperationsBaldwin, Cradock, and Joy, 1816 - 244 páginas |
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Página 138
... circle MoT . Also , let za perpendicular to MaT be drawn and produced to I. Then PRL , the latitude of the place ; za 1 , the inclination of the plane ; OT HID , its declination ; Ps drawn per- pendicular to MT will be the position of ...
... circle MoT . Also , let za perpendicular to MaT be drawn and produced to I. Then PRL , the latitude of the place ; za 1 , the inclination of the plane ; OT HID , its declination ; Ps drawn per- pendicular to MT will be the position of ...
Página 158
... circle it appears to describe about the pole P during the earth's diurnal rotation , zsv part of the vertical circle ... latitude ; zs = n , the zenith distance , or = 90 ° a the co - altitude ; ZPSP the horary or polar angle between the two ...
... circle it appears to describe about the pole P during the earth's diurnal rotation , zsv part of the vertical circle ... latitude ; zs = n , the zenith distance , or = 90 ° a the co - altitude ; ZPSP the horary or polar angle between the two ...
Página 159
... latitude are of different kinds , cos P will be positive , and the time of passage from the horizon to the meridian ... circle s's s " which a Astronomical Problems . 159.
... latitude are of different kinds , cos P will be positive , and the time of passage from the horizon to the meridian ... circle s's s " which a Astronomical Problems . 159.
Página 160
... circle s's s " which a heavenly body describes in consequence of the diurnal rotation can have a vertical zsv drawn to touch it , which it may while the declination of that body exceeds the latitude of the place , then the body when at ...
... circle s's s " which a heavenly body describes in consequence of the diurnal rotation can have a vertical zsv drawn to touch it , which it may while the declination of that body exceeds the latitude of the place , then the body when at ...
Página 166
... latitude of a place to find the time and the duration of shortest twilight ... circle H Z B Q Ꭱ Ps turning about the axis will bring the sun from s to s ... circle zmbq , such that the dis- tances PZ , Pm , Pb , PQ , are all equal . The ...
... latitude of a place to find the time and the duration of shortest twilight ... circle H Z B Q Ꭱ Ps turning about the axis will bring the sun from s to s ... circle zmbq , such that the dis- tances PZ , Pm , Pb , PQ , are all equal . The ...
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Términos y frases comunes
altitude angled spherical triangle azimuth base becomes bisect centre chap chord circle circle of latitude computation consequently cos² cosec cosine cotangent declination deduced determine dial diameter difference distance draw earth ecliptic equa equal equation Example find the rest formulæ given side h cos h half Hence horizon hour angle hypoth hypothenuse intersecting latitude logarithmic longitude measured meridian obliq oblique opposite angle parallel perpendicular plane angles plane triangle pole problem prop quadrant radius right angled spherical right angled triangle right ascension right line sec² secant sin A sin sin² sine solid angle sphere spherical excess spherical trigonometry star substyle sun's supposed surface tan² tangent theorem three angles three sides tion triangle ABC values versed sine versin vertical angle whence zenith