| 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
...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 - 896 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
...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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