| Alexander Ingram - 1799 - 351 sider
...which they meafure to four a L«M. 3, right angles b. b LEM. i . III. The fine of an arch is a flraight **line drawn from one extremity of the arch perpendicular...to the diameter paffing through the other extremity** of it. Thus, CD drawn from C perpendicular to AF, is the fine of the arch AC. COR. i. The fine of AH,... | |
| Thomas Simpson - 1800 - 400 sider
...the other ; thus B £ is the chord or fubterife of the arch BAE, orBDE. 5. The fine (or right fine) **of an arch is a right line drawn from one extremity of the arch perpendicular to the** diameE ter pafling through the other extremity : thus BF is the fine of the arch AB, or BD. 6. The... | |
| Robert Gibson - 1818 - 478 sider
...supplement. 5. A Choid, or Subtense of an arch, is aright line joining its extremities. 6. The Sine **of an arch, is a right line drawn from one extremity of** that arch, perpendicularly to a diameter passing through the other extremity. 7. The Versed- Sine of... | |
| Thomas Simpson - 1821 - 408 sider
...to the other; thus BE is the chord or subtense of the archB AE, or BDE. 5. The sine (or right sine) **of an arch is a right line drawn from one extremity of the arch perpendicular to the diameter** H E passing through the other extremity : thus BF is the sine of the arch AB, or BD. 21 6. The versed... | |
| William Jillard Hort - 1822
...complement of the arch BD, is BCA, the remaining part of the quadrant, DBA. 5. A sine or right sine **of an arch, is a right line drawn from one extremity of** that arch, perpendicular to the diameter touching the other extremity. Thus BG is the sign of the arch... | |
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