A system of geometry and trigonometry, together with a treatise on surveying ... Likewise, rectangular surveying ... To the whole are added, several mathematical tables, necessary for solving questions in trigonometry and surveying .. (1825)
Flint, Abel, 1765-1825 · Hartford, O. D. Cooke & co. · leaf 16
h is that part of (he Diameteror Radius which is between the Sine and the Circumference ;thus LB is the Versed Sine of the Arch HB. Fig. 7. 23. The Tangent of an Arch is a Right Line touching theCircumference, and drawn perpendicular to the Diameter ; andis terminated by a Line drawn from the… … 14. The Secant of ann Arch is a Line drawn fioaa the Cenii 12 GEOMETRY. through one end of the Arch till it meets the Tangent; thcfgCK is the Secant of the Arch BH. Fig. 7. 26. The Complement of an Arch is what the Arch wants of90 Degrees, or a Quadrant; thus HD is the Complement of theArch BH.…
Surveying
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