 | Benjamin Martin - 1736 - 414 pages
...Tangent of half the included Side, to the Tangent of half the Sum of the other two Sides. PROPOSITION V. As the Tangent of half the Bafe, . is to the Tangent of half the Sum of the other two Sides -, fo is the Tangent of half the Difference of the Sides, to the Tangent... | |
 | Antoine-René Mauduit - 1768 - 252 pages
...upon the oppoßteßde or bafe, В С, (produced if necejfary), we ¡hall always bave this analogy -, as the tangent of half the bafe is to the tangent of half the fum of the other two ß des, fo is the tangent of half the difference of thefe fides to the tangent... | |
 | William Flower - 1768 - 276 pages
...cotangents, it follows, that tangent AD : tangent AB+BE :: tangen t AB -BE : tangent CD. That i г is, the tangent of half the bafe is to the tangent of half the fum of the fides, as the tangent of half the difference of the fides, is to the tangent of the diftance... | |
 | John Wright (Mathematician) - 1772 - 298 pages
...3.] the redangle HCL is equal to the redangle KCM; and [14. 6.] CH is to CK, as CM to CL ; that is, the tangent of half the bafe is to the tangent of half the fum of the two fides, as the tangent of half the difference of the fides to the tangent of half the... | |
 | Alexander Ingram - 1799 - 374 pages
...res5.Cor.io. ciprocally proportional to their cotangents '. Wherefore, i&c. Def. t. T. CoK. Hence, the tangent of half the bafe is to the tangent of half the fum of the fides, as the tangent of half the difference of the fidis to tlu tangent of half the difference... | |
| |
That i г is, the tangent of half the bafe is to the tangent of half the fum of the... 