 | John Bonnycastle - 1806 - 464 pages
...what are their respective bearings from each other? Ans. 2. A 95° 44'i, Z c 33° 33'}, ^ B 50° 42'^. 14. How must three trees, A, B, c, be planted, so that the angle at A may be double that at B, and the angle at B double that at c ; and that a line of 100 yards may go just round them... | |
 | Charles Hutton - 1816 - 618 pages
...cosine of half the sum of the angles at the base, to the cosine of half their difference. Ex. JLx. 14. How must three trees, A, B, c, be planted, so that the angle at A may he double the angle at B, the angle at B double thai at c 5 and so that a line of 400 yards may just... | |
 | Charles Hutton - 1826 - 680 pages
...angles at the base, to the cosine of half their difference. Ex. 14. How must three trees, A, B, c,be planted, so that the angle at A may be double the angle at u, the angle at B double that at c ; and so that a line of 400 yards may just go round them ? Ex. 15.... | |
 | Charles Hutton - 1831 - 656 pages
...difference of the other two sides, as the sine of half the sum of the angles at the hasp., to tlio aino of half their difference : also, that the base is...so that a line of 400 yards may just go round them 1 Ex. 15. In a certain triangle, the sines of the three angles are as the numbers 17, 15, and 8, and... | |
 | William Smyth - 1834 - 102 pages
...zontal plane is observed, to find that point in the plane,which is equidistant from the top of each. 7. How must three trees A, B, C, be planted, so that the angle at A may be double the angle at B, and the angle at B double the angle at C and a line of 400 yards may just go round them? 8. The distances... | |
 | Nathan Scholfield - 1845 - 894 pages
...the cosine of half the sum of the angles at the base, to the cosine of half their difference. Ex. 10. How must three trees, A, B, C, be planted, so that the angle at A may double the angle at B, the angle at B double that at C ; and so that a line of 400 yards may just go... | |
 | Nathan Scholfield - 1845 - 542 pages
...the cosine of half the sum of the angles at the base, to the cosine of half their difference. Ex. 10. How must three trees, A, B, C, be planted, so that the angle at A may double the angle at B, the angle at B double that at C ; and so that a line of 400 yards may just go... | |
 | Nathan Scholfield - 1845 - 506 pages
...the cosine of half the sum of the angles at the base, to the cosine of half their difference. Ex. 10. How must three trees, A, B, C, be planted, so that the angle at A may double the angle at B, the angle at B double that at C ; and so that a line of 400 yards may just go... | |
 | Elias Loomis - 1859 - 372 pages
...the whole May-pole, supposing the length of the broken piece to be 39 feet ? Ans. 75 feet. Prob. 12. How must three trees, A, B, C, be planted, so that...may be double the angle at B, the angle at B double the angle at C, and a line of 400 yards may just go round them ? Ans. AB = 79.225, AC = 142.758, and... | |
 | Elias Loomis - 1859 - 218 pages
...whole May-pole, supposing the length of the broken piece to be 39 feet ? ' Ans. 75 feet. Prob. 12. How must three trees, A, B, C, be planted, so that...may be double the angle at B, the angle at B double the angle at C, and a line of 400 yards may just go round them ? Ans. AB = 79.225, AC = 142.758, and... | |
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Prob. 12. How must three trees, A, B, C, be planted, so that the angle at A may be double the angle at B, the angle at B double the angle at C, and a line of 400 yards may just go round them ? Ans. 
