| 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... | |
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