| Archibald Patoun - 1734 - 414 sider
...the difference of the two Angles at the Bafe ; confequemly in any Triangle, as the fum of the fides, **is to their difference, fo is the Tangent of half the fum of** the Angles at the Bafe, to the Tangent of half their difference. Theor. 3. If to half the fum of two... | |
| William Flower - 1768 - 228 sider
...hypothenufe, to the tang" ent of its adjacent perpendicular. Lemma, As the fum of tbeßnes of two unequal arcs **is to their difference, fo is the tangent of half the fum of thofe** arcs, to the tangent of half their difference. And, as the fum of their cq/ines is to their difference,... | |
| Charles Hutton - 1788 - 703 sider
...and the dngle Included by them, to find the reft. In a plane triangle, As the fum of any two fides **is to their difference, fo is the tangent of half the fum of** their oppofite angles, to the tangent of half their difference. Then the half difference added to the... | |
| Thomas Hodson - 1802
...either angle to the cotangent of the other angle. Thus, As the fum of the fines of two unequal arches **is to their difference, fo is the tangent of half...the tangent of half their difference ; and, As the** fnm of the cofines is to their difference, fo is the cotangent pf half the fum of the arches to the... | |
| Thomas Hodson - 1806
...either angle to the cotangent of the other angle. Thus, As the fum of the fines of two unequal arches U **to their difference, fo is the tangent of half the...difference; and, As the fum of the cofines is to their** ditference, fo is the cotangent of half the fum of the arches to the tangent of half the difference... | |
| John Hamilton Moore - 1807 - 328 sider
...AC. OELIQJ/E TRIGONOMETRY. AXIOM Ht. Tn every plane triangle it will be as the fum of any two fides **is to their difference, fo is the tangent of half the fum of** che angles oppofite thefc fides, to the tangent of half their difference, which half difference being... | |
| 1816
...other angles of the triangle DBA may be found by the following propoition. As the fum of AD and BD, **to their difference, fo is the tangent of half the fum of** the angles DBA, DAB, to the tangent of half their difference. Then { the difference of thcfe angles... | |
| Encyclopaedia Perthensis - 1816
...other angles of the triangle DBA may be found by the following proportion. As the fum of AD and BD, **to their difference, fo is the tangent of half the fum of** the angles DBA, DAB. to the tangent of half their difference. Then | the difference' of thefe angles... | |
| |