| Edward Hatton - 1728 - 264 pages
...is, as the Sum of the two Sides / о more lg : Is to the Difference of the two Sides lg leß lo :: **So is the Tangent of half the Sum of the oppofite Angles** lagaña I go: '•-' To the Tangent of half their Difference log leß Ig o : And the half Sum and half... | |
| Benjamin Martin - 1736 - 362 pages
...one. F Iheorem XXIX. In a Plain Triangle, As the Sum of the Legs, is to the Difference of the Legs ; **So is the Tangent of half the Sum of the oppofite Angles to the** Tangent of half their Difference. Dcmonftration. Let the given Triangle be —" ABC. and let it be... | |
| 1751 - 420 pages
...Angle : And as Radius, is to the Tangent of the Excefs of the faid Angle above half a right Angle, fo **is the Tangent of half the Sum of the oppofite Angles, to the** Tangent of half the Difference of the fame Angles. PROBLEM XXIV. 'Thomas Hulme, London. The Line bifefting... | |
| Arthur Burns - 1771 - 396 pages
...above. AXIOM IIL In all plane Triangles, as the Sum of the Legs is to the Difference of the Legs, fo **is the Tangent of half the Sum of the oppofite Angles, to the** Tangent of half the Diierence j half that Difference added to half the Sum, gives the greater Angle;... | |
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