D, from the top thereof A , letfall the perpendicular A C upon the BafeDB, which together withthe fides, let be continued unto quadrants. I fay that the fines comple-ments of the fegments o{ the Bafe CN, C E, are proportional to thefines complements of the fides AM, AG. For by the i Confeftary, ^f… … a c CONSECTART VI. In obliquangular triangles; Ifa perpendicular be drawn from the Vertical angle unto theoppofite fide, (continued if need require.) The fines of the fegments of the Safe are reciprocally proportional to the tangents of the angles conterrui-*nate at the Bafe; and contrary. In the…
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