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Bøker Bok 110 av 11Required the horizontal distance of the mountain-top from the nearer station, and...
" Required the horizontal distance of the mountain-top from the nearer station, and its height. Ans. Distance, 24840 yards; height, 1447 yards. 10. From the top of a light-house the angle of depression of a ship at anchor was observed to be 4° 52', from... "
Elements of Plane and Spherical Trigonometry: With Their Applications to ... - Side 70
av Olinthus Gregory - 1816 - 244 sider
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A Course of Mathematics: Designed for the Use of the Officers ..., Volumer 1-2

Isaac Dalby - 1807 - 393 sider
...adileil tlit htight of the initrumi-ut for th« whole height ot O ibu\e tit* ground at A. 0. At B, the top of a castle which stood on a hill near the tea shore, the depression of a ship at anchor was 4> 52' rtha angle HBS), and at R, the bottom Af the...
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A Popular Course of Pure and Mixed Mathematics ...: With Tables of ...

Peter Nicholson - 1825 - 372 sider
...the eye at the instant of its production ; required the distance of the ships? Ansner, 5147.9 feet 7. At the top of a castle which stood on a hill near the sea shore, the angle of depression of a ship at anchor was 4° 52', and at the bottom of the castle...
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Elements of Plane and Spherical Trigonometry: With Its Applications to the ...

John Radford Young - 1833 - 208 sider
...: AB 38 . . 1-5797836 :: sin. В 85° О' 20" . 9-9983179 : АС 91-657 . . 1-9621645. PROBLEM III. At the top of a castle, which stood on a hill near the -sea-shore, the angle of depression IITS, of a ship at anchor, was observed to be 4° 52' ; at the bottom of the castle the angle of depression...
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Mathematical and Astronomical Tables: For the Use of Students in Mathematics ...

William Galbraith - 1834 - 428 sider
...1° 12' log DC 1810 EK 81.463 8.777333 8.196102 10.000874 11.678973 3.257679 1.910961 EXAMPLE XVI. At the top of a castle which stood on a hill near the seashore the angle of depression of a ship's hull at anchor was 4° 52' ; at the bottom of the castle the angle of depression was 4° 2'....
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Euclid's Elements [book 1-6] with corrections, by J.R. Young

Euclides - 1838
...determining the length of that scale, we have the proportion -8433752 : 100 :: 1 : 11 8-57 = CD. 2. At the top of a castle which stood on a hill near the sea-shore, the angle of depression HTS, of a ship at anchor, was observed to be 4° 52-; at the bottom of the castle the angle of depression...
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Plane and Spherical Trigonometry ...

Henry W. Jeans - 1842
...required the height and distance of the steeple. Ans. height 210-4 dist. 250-8. (24) (fig. 32). At B the top of a castle which stood on a hill near the sea-shore, the angle of depression , 78 HBS of a ship at anchor was 4° 52', and at B, the bottom of the castle, its depression NRS was...
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A compendious course of mathematics, theoretical and practical

John Radford Young - 1855
...216 and 270 feet ; required the angle at the base. (10) At the top of a castle standing on a hill by the sea-shore, the angle of depression of a ship at...was 4° 2' ; required the horizontal distance of the ship, as also the height of the hill ou which the castle stands, the height of the castle itself being...
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Elements of Geometry and Trigonometry: With Practical Applications

Benjamin Greenleaf - 1862 - 490 sider
...station, and its height. Ans. Distance, 24840 yards; height, 1447 yards. 10. From the top of a light-house the angle of depression of a 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,...
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Elements of Geometry: With Practical Applications to Mensuration

Benjamin Greenleaf - 1863 - 320 sider
...station, and its height. Ans. Distance, 24840 yards; height, 1447 yards. 10. From the top of a light-house the angle of depression of a 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,...
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Plane and spherical trigonometry. [With] Solutions of problems. [Followed by ...

Henry William Jeans - 1873
...height and distance of the steeple. Ans. Height, 210-4; distance, 250'8 feet. [30]. (Fig. 32.) At B, the top of a castle which stood on a hill near the sea-shore, the angle of depression, HBS, of a ship at anchor was 4° 52', and at E, the bottom of the castle, its depression, NES, was...
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