 | James Atkinson - Navigation - 1765 - 504 pages
...Manner you may find any other Angle by Logarithms. Or thus, By Gunter's Scale, fay, I. As Radiu?, is to the Sine of one of the containing Sides. So is...Sine of the other containing Side, to a Fourth Sine. Then, 2- As that 4th Sine, is to the Sine of the half Sum of the three Sides ; fo is the Sine of the... | |
 | James Atkinson - Navigation - 1770 - 514 pages
...other Angle by Logarithms. Or thus, By Gunter's Scale, fay, I. As Radius, is to the Sine of one of tile containing Sides; So is the Sine of the other containing Side, to a Fourth Sine. Then, ' 2. As that 4th Sine, is to the Sine of the half Sum of the three Sides; fo is the Sine of the... | |
 | William Mountaine - Astronomical instruments - 1778 - 128 pages
...containing Sides, thus, ... .:.••,' As Radius it to the Sine of one of the containing Sides, fo is the Sine of the other containing Side, to a fourth Sine ; and then fecondly, As this fourth Sine or Proportional found, is to the Sjne of half the Sum of the... | |
 | Thomas Keith - Navigation - 1826 - 504 pages
...then gives the following proportions : As radius Is to sine of one of the sides containing any angle; so is the sine of the other containing side, to a fourth sine. As this fourth sine Is to sine of half the sum of the three sides; «o is the sine of this half sum diminished... | |
 | Thomas Keith - 1839 - 498 pages
...then gives the following proportions : As radius Is to sine of one of the sides containing any angle, so is the sine of the other containing side, to a fourth sine. As this fourth sine Is to sine of half the sum of the three sides, so is the sine of this half sum diminished... | |
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Is to sine of one of the sides containing any angle, so is the sine of the other containing side, to a fourth sine. As... 