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Bøker Bok 17 av 7As radius Is to the tangent of the latitude; So is the tangent of the sun's declination...
" As 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... "
Course of Civil Engineering: Comprising Plane Trigonometry, Surveying, and ... - Side 270
av John Gregory - 1842 - 301 sider
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Epitome of the Art of Navigation; Or, a Short, Easy, and Methodical Way to ...

James Atkinson - 1765 - 447 sider
...45d. •• T. 5id. 32m. : : T. 33d. •• S. 54d. 49m. the Sun's Azimuth from the Eaft. That is, As Radius, is to the Tangent of the Latitude: So is the Tangent of the Sun's Altitude (wnen jn the Equlnodrial) to the Sine Complement of his Azicmjfh from the South, that...
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Epitome of the Art of Navigation: Or, A Short, Easy and Methodical Way to ...

James Atkinson - 1770 - 447 sider
...AsT. 45d. --T. 5id, 32m. : : T, 33d. •• S. 5<jd 4gm. the Sun's Azimuth from the Eaft. That is, As Radius is to the Tangent of the Latitude ; So is the Tangent of the Sun's Altitude (when In t1 jio&ial) to the Sine Complement of his Azimuth from fhat is 35d. nm. South...
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British Encyclopedia: Or, Dictionary of Arts and Sciences ..., Volum 2

William Nicholson - 1819
...tangent of the latitude of the place, so is the tangent of the sun's or star's altitude, for instance, to the co-sine of the azimuth from the south at the time of the equinox. AZIMUTH, magneticul, an arch of the horizon, intercepted between the azimuth, or vertical circle, passing...
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Dictionary of the Mathematical and Physical Sciences, According to the ...

James Mitchell - 1823 - 576 sider
...ascensional Difference of 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...
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Encyclopaedia Britannica; Or A Dictionary of Arts, Sciences, and ..., Volum 3

1823
...tangent of the latitude of the place, so is the tangent of the sun's or star's altitude, lor instance, to the cosine of the azimuth from the south, at the time of the equinox. Magnctical AZIMUTH, an arch of the horizon intercepted between the azimuth, or vertical circle, pasting...
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The London Encyclopaedia: Or, Universal Dictionary of Science, Art ..., Volum 3

Thomas Curtis - 1829
...difference, you must have the 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...
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The London Encyclopaedia: Or, Universal Dictionary of Science, Art ..., Volum 10

Thomas Curtis - 1829
...ascension. 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...
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