 | John Bonnycastle - Trigonometry - 1806 - 464 pages
...a ship at anchor, was 4° 52', and at R, the bottom of the castle, its depression NR s -was 4° 2', required the horizontal distance of the vessel, and the height of the building above the level of the sea, supposing the castle itself to be 54 feet high. Ans. AS 3690 feet,... | |
 | Francis Nichols - Plane trigonometry - 1811 - 162 pages
...AE of a ship at anchor was 4° 52'; and at the bottom of the castle the depression = DAE was 4° 2'. Required the horizontal distance of the vessel, and the height of the top of the castle above the sea. (See the last fig.) Answer. Distance AE = 3690 feet, and height EC... | |
 | Olinthus Gregory - Plane trigonometry - 1816 - 278 pages
...anchor, was observed to be 4° 52'; at the bottom of the castle the angle of depression was 4° 2'. Required the horizontal distance of the vessel, and the height of the hill on which the castle stands above the level of the sea, the castle itself being 60 feet high. In... | |
 | William Galbraith - Astronomy - 1834 - 454 pages
...ship's hull at anchor was 4° 52' ; at the bottom of the castle the angle of depression was 4° 2'. Required the horizontal distance of the vessel, and the height of the hill on which the castle stands above the level of the sea, the castle itself being 64 feet high ?... | |
 | Elias Loomis - Trigonometry - 1859 - 218 pages
...depression of a ship at anchor was 3° 38', and at the bottom of the light-house the angle of depression was 2° 43'. Required the horizontal distance of the...level of the sea, the light-house being 85 feet high. Ans. Distance 5296.4 feet, height 251.3 feet. Prob. 11. An observer, seeing a cloud in the west, measured... | |
 | Elias Loomis - Logarithms - 1859 - 372 pages
...ship at anchor was 3° 38X, and at the bottom of the light-house the angle of depression was 2° 43X. Required the horizontal distance of the vessel, and...level of the sea, the light-house being 85 feet high. Ans. Distance 5296.4 feet, height 251.3 feet. Prob. 11. An observer, seeing a cloud in the west, measured... | |
 | Benjamin Greenleaf - Geometry - 1862 - 518 pages
...ship at anchor was observed to be 4° 52', from the bottom of the light-house the angle was 4° 2'. Required the horizontal distance of the vessel, and the height of the hill on which the light-house is placed, the height of the light-house being 60 feet. Ans. Horizontal... | |
 | Benjamin Greenleaf - Geometry - 1861 - 638 pages
...ship at anchor was observed to be 4° 52', from the bottom of the light-house the angle was 4° 2'. Required the horizontal distance of the vessel, and the height of the hill on which the light-house is placed, the height of the light-house being 60 feet. Ans. Horizontal... | |
 | Benjamin Greenleaf - Geometry - 1863 - 504 pages
...ship at anchor was observed to be 4° 52', from the bottom of the light-house the angle was 4° 2'. Required the horizontal distance of the vessel, and the height of the hill on which the light-house is placed, the height of the light-house being 60 feet. Ans. Horizontal... | |
 | Elias Loomis - Logarithms - 1865 - 400 pages
...of a ship at anchor was 3o 38', and at the bottom of the light-house the angle of depression was 2o 43'. Required the horizontal distance of the vessel,...level of the sea, the light-house being 85 feet high. Ans. Distance 5296.4 feet, height 251.3 feet. Prob. 11. An observer, seeing a cloud in the west, measured... | |
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Required the horizontal distance of the vessel, and the height of the promontory above the level of the sea, the light-house being 85 feet high. Ans. Distance 5296.4 feet, height 251.3 feet. Prob. 11. An observer, seeing a cloud in the west, measured... 
