| William Findlay Shunk - 1890 - 339 sider
...remainder will be the sum of the other two angles. Then, by proposition 3, — As the sum of the given **sides is to their difference, So is the tangent of half the sum of the** remaining angle« to the tangent of half their difference!. Half the sum of the remaining angles added... | |
| William Findlay Shunk - 1908 - 345 sider
...remainder will be the sum of the other two angles. Then, by proposition 3, — As the sum of the given **sides is to their difference, So is the tangent of half the sum of the** remaining angles to the tangent of half their difference. Half the sum of the remaining angles added... | |
| William Miller Barr - 1918
...sides and the included angle are given. Rule 4. To find the other side: as the sum of the two given **sides is to their difference, so is the tangent of half the sum of** their opposite angles to the tangent of half their difference — add this half difference to the half... | |
| |