 | Thomas Keith - Navigation - 1810 - 478 pages
...miles. EXAMPLE XXXVI. From the top (A) of Flamborough-head light-house, the angle of depression (EAC) of a ship at anchor was 3°. 38' ; and at the bottom (B) of the. lighthouse, the angle of depression (FBC) was 2°. 43' ; required the horizontal distance... | |
 | Thomas Keith - 1839 - 498 pages
...miles. EXAMPLE XXXVI From the top (A) of Flamborough-head light-house, the angle of depression (EAC) of a ship at anchor was 3° 38'; and at the bottom (B) of the lighthouse, the angle of depression (FBC) was 2° 43' ; required the horizontal distance... | |
 | Elias Loomis - Trigonometry - 1859 - 218 pages
...and BED= 88° 30'. Required the distance from A to B. Ans. 345.5 yards. Prob. 10. From the top of a light-house, the angle of depression of a ship at...38', and at the bottom of the light-house the angle of depression was 2° 43'. Required the horizontal distance of the vessel, and the height of the promontory... | |
 | Elias Loomis - Logarithms - 1859 - 372 pages
...and BED=, 88° 30X. Required the distance from A to B. Ans. 345.5 yards. Prob. 10. From the top of a light-house, the angle of depression of a ship at anchor was 3° 38X, and at the bottom of the light-house the angle of depression was 2° 43X. Required the horizontal... | |
 | McGill University - 1865 - 332 pages
...From the summit of a light-house 85 feet heigh, standing on a rock, the angle of depression of a ship was = 3° 38', and at the bottom of the light-house the angle of depression was = 2° 43' ; find the horizontal distance of the vessel. 8 McGILL COLLEGE, MONTREAL.... | |
 | Elias Loomis - Trigonometry - 1886 - 436 pages
...and BED = 88° 30'. Required the distance from A to B. Ans., 345.5 yards. Prob. 10. From the top of a lighthouse, the angle of depression of a ship at anchor...38', and at the bottom of the lighthouse the angle of depression was 2° 43'. Required the horizontal distance of the vessel, and the height of the promontory... | |
 | George Neander Bauer, William Ellsworth Brooke - Trigonometry - 1917 - 346 pages
...110. From the top of a lighthouse 85 feet high, standing on a rock, the angle of depression of a ship was 3° 38', and at the bottom of the lighthouse the angle of depression was 2° 43'; find the horizontal distance of the vessel and the height of the rock. 111.... | |
 | British Columbia. Superintendent of Education - 1897 - 710 pages
...From the summit of a lighthouse 85 feet high, standing on a rock, the angle of depression of a ship was 3° 38', and at the bottom of the lighthouse the angle of depression was 2° 43': find the horizontal distance of the vessel and the height of the rock. 3.... | |
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Required the distance from A to B. Ans. 345.5 yards. Prob. 10. From the top of a light-house, the angle of depression of a ship at anchor was 3° 38', and at the bottom of the light-house the angle of depression was 2° 43'. 