 ... down it is 28°. The inclination of the plane is 7°. Find the height of the tower. 10. From the top and bottom of a castle which is 75 ft high the angles of depression of a ship at sea are 19° and 15° respectively. Find the distance of the ship...  Plane and Spherical Trigonometry - Pàgina 19per James Morford Taylor - 1905 - 234 pàginesVisualització completa - Sobre aquest llibre
 | James Morford Taylor - 1904 - 192 pàgines
...to be 25° and 35° respectively. Find the height of the column and its distance from the tower. 15. Two pillars of equal height stand on opposite sides...bluff is a tower 75 ft. high ; from a boat on the bay the angles of elevation of the top and base of the tower are observed to be 25° and 15° respectively.... | |
 | Fletcher Durell - 1910 - 348 pàgines
...15° respectively. Find the distance of the ship from the bottom of the castle. N 11. A monument 70 ft. high and a tower stand on the same horizontal...elevation of the top of the tower at the top of the monument is 20° 40' 12" [20.67°], at the base of the monument it is 53° ЗГ 12" [53.52°]. Find... | |
 | Fletcher Durell - 1911 - 336 pàgines
...and 15° respectively. Find the distance of the ship from the bottom of the castle. 11. A monument 70 ft. high and a tower stand on the same horizontal...elevation of the top of the tower at the top of the monument is 20° 40' 12" [20.67°], at the base of the monument it is 53° 31' 12" [53.52°]. Find... | |
 | Fletcher Durell - 1911 - 396 pàgines
...Find the distance of the ship from the bottom of the castle. 11. A monument 70 ft. high and a towel. stand on the same horizontal plane. The angle of elevation of the top of the tower at the top of the monument is 20° 40' 12" [20.67°], at the base of the monument it is 53° 31' 12" [53.52°]. Find... | |
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