| Samuel Heynes - 1716 - 180 pages
...Right-fine is a Right-line drawn from one end of an Arch, Perpendicular to that Diameter paffing thro' the other end ; or it is half the Chord of twice the Arch, AE is the Right^ine of the Arches AB, AD; and here 'tis evident, that the Sine of 90 deg. (which... | |
| Samuel Heynes - 1725 - 462 pages
...Rigl-.tfíne is a Right-line drawn from one end of an Arch, Perpendicular to that Diameter pafling thro' the other end ; or it is half the Chord of twice the Arch» AE is the Right-fine of the Arches AB,AD. and here 'tis'evident, tint the Sine of 90 de%. (which... | |
| Philip Ronayne - 1738 - 458 pages
...Right-fine) is a ftraight Line. drawn from one End of an Arch perpendicular to that Diameter paffing * the other End or it is half the Chord of twice the thro* Arch ; fo В F is the Sine of the Arcs BA, BD. And here it is evident-, that the Sine of 90 Degrees... | |
| John Ward (of Chester.) - 1747 - 516 pages
...Right-fine) is a ftrait Line drawn from one End of an Arch perpendicular to that Diameter pafllng thro' the other End ; or it is half the Chord of twice the Arch ; fo BF is the Sine of the Arches BA, BD. And here it is evident, that the Sine of 90 Degrees... | |
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