An introduction to astronomy : designed as a text book for the students of Yale College (1846)
Olmsted, Denison, 1791-1859, Yale College (1718-1887) · New York : Collins, Brother & Co. · leaf 88
e the declination RS,and the angle A to find AR. Therefore,Rad. xsin. AR=cot. A xtan. RS. from the middle part by the angles A and B. Hence, rad. cos. c=cos. a cos. b .•. cos. c= ^iflfLE2Li=70o2629.rad. 2. In the spherical triangle, right angled at C, are given two perpendicular sides,viz. 0=116°… … 64 THE EARTH. Ex. 1. Required the time of sunrise at latitude 52° 13 N.when the suns decHnation is 23° 28. Rad 10. Cot. A or tan. 52° 13 10.1105786 Tan. RS= 23° 28^in. 34° 03 21i ) 4* } 9.6376106 9.7481892 2h. 16 13 256 3h. 4346 35=the time after midnight, and ofcourse the time of rising. Ex. 2.…
Astronomy
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