The fines of the perpendiculars are proportional to the/ines of the Hypoteuufaes, and the contrary, Let the angles C A E, B A D, be equal, becaufe ver-tical, which let be fubtended by the perpendicularsC E, B D drawn from their poles L and M. I fay thatthe fines of the perpendiculars C E, B D are… … R Pre* 62 O yvhole fine *o pine of the Perpendicularr» £Sine of the Hypotenufa Irigonometrm Bntannica. SN.O P 33 > 5>«? of f&<? Perpendicular SA.OA t^u--^.— £} Sine of the Hypotenufa pt^ r-c Tnerelore, g^r. -V / n/r ,., rSlAC h o KSvr.eoj the Perpendicular B A.C A £ i/»> of the…
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