 | John Bonnycastle - Trigonometry - 1806 - 464 pages
...a cloud, or other object, when its angles of elevation, as taken by two observers at the same time, on the same side of it, and in the same vertical plane, were 64° and 35° ; their distance asunder being half a mile, or 880 yards. As sin AB C - - -^ AD... | |
 | Charles Hutton - Mathematics - 1807 - 464 pages
...cloud, or of a balloon, when its angles of elevation were 35° and 64°, as taken by two observers, at the same time, both on the same side of it, and in the same vertical plane ; the distance between them being half a mile or 880 yards. And what was its distance from the said two observers ? Construction... | |
 | Charles Hutton - Mathematics - 1811 - 494 pages
...cloud, or of a balloon, when its angles of elevation were 35° and 64°, as taken by two observers, at the same time, both on the same side of it, and in the same vertical plane ; the distance between them being half a mile or 880 yards. And what was its distance fronl the said two observers ? Construction.... | |
 | Charles Hutton - Mathematics - 1822 - 616 pages
...cloud, or of a balloon, when its angles of elevnlion were 35° and 64°, as taken by two observers, at the same time, both on the same side of it, and in the same verticle > ! me ; the distance between them being half a mile or 880 yards. And what was its distance... | |
 | John Farrar - Logarithms - 1822 - 244 pages
...a cloud or other object, when its angles of elevation, as taken by two observers at the same time, on the same side of it, and in the same vertical plane, were 64° and 35°, their distance apart being half a mile, or 880 yards. It is evident from figure... | |
 | John Farrar - Logarithms - 1822 - 270 pages
...a cloud or other object, when its angles of elevation, as taken by two observers at the same time, on the same side of it, and in the same vertical plane, were 64° and 35°, their distance apart being half a mile, or 880 yards. It is evident from figure... | |
 | Charles Hutton - Mathematics - 1825 - 608 pages
...cloud, or of a balloon, when its angles of elevation were 35° and 04°, as taken by two observers, at the same time, both on the same side of it, and in the same verticle plane ; the distance between them being half a mile or 880 yards. And what was its distance... | |
 | John Farrar - Trigonometry - 1833 - 276 pages
...a cloud or other object, when its angles of elevation, as taken by two observers at the same time, on the same side of it, and in the same vertical plane, were 64° and 35°, their distance apart being half a mile, or 880 yards. It is evident from figure... | |
 | John Farrar - Trigonometry - 1833 - 274 pages
...a cloud or other object, when its angles of elevation, as taken by two observers at the same time, on the same side of it, and in the same vertical plane, were 64° and 35°, their distance apart being half a mile, or 880 yards. It is evident from figure... | |
 | Oliver Byrne - Engineering - 1852 - 604 pages
...cloud, or of a balloon, when its angles of elevation were 35° and 64°, as taken by two observers, at the same time, both on the same side of it, and in the same vertical plane ; their distance, as under, being half a mile, or 880 yards. And what was its distance from the said... | |
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What was the perpendicular height of a balloon, when its angles of elevation were 35° and 64°, as taken by two observers... 
