 | James Atkinson - 1765 - 504 sider
...Hypot. PO -iSc Angle O PC. Vs T. 45d. --T. 38d. 28m. : : T. aod. um. --S. i6d. 5901. or ih. 8m. That is, As the Radius, is to the Tangent Complement of the Latitude; So is the Taneent of the Reflection, to the Sine Complement of the Hour from Noon, when the Sun is due Eaft,... | |
 | William Nicholson - 1809 - 716 sider
...difference may be found by this proportion, <•/-.. As the radius is to the latitude .of the place, so is the tangent of the sun's declination to the sine of the ascensional difference; by subtracting of which from the right ascension, when the sun is in the northern... | |
 | William Nicholson - 1819 - 370 sider
...ascensional difference may be found by this proportion, viz. As the radius is to the latitude of the place, so is the tangent of the sun's declination to the sine of the ascensional difference ; by subtracting of which from the right ascension, when the sun is in the northern... | |
 | James Mitchell - 1823 - 666 sider
...the Sunt having the Sun's Declination and the Latitude of the Place. Say, As radius Is to the tangent of the latitude, So is the tangent of the sun's declination To the siue of the ascensional difference. When ihe latitude and declination have the same name, tlie difference... | |
 | Thomas Curtis - 1829 - 852 sider
...latitude of the place, and the sun's declination given : then say, as the radius is to the tangent of the latitude ; so is the tangent of the sun's declination to the sine of the ascensional difference sought. This, converted into time, shows how much he rises before, or sets after,... | |
 | Thomas Curtis (of Grove house sch, Islington) - 798 sider
...Hence, from the principles of spherics, we have the following proportion : — As radius to the tangent of the latitude, so is the tangent of the sun's declination to the sir* of the sun's ascensions! difference required. When the sun is in tiit same hemisphere with any... | |
 | Thomas Curtis - 1829 - 814 sider
...Hence, from the principles of spherics, we have the following proportion : — As radius to the tangent of the latitude, so is the tangent of the sun's declination to the sir«of the sun's ascensional difference required. When the sun is in the same hemisphere with any... | |
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... as the radius is to the tangent of the latitude ; so is the tangent of the sun's declination to the sine of the ascensional difference sought. This, converted into time, shows how much he rises... 