 | Francis Maseres - Mathematics - 1760 - 534 pages
...been divided into 100 parts, a Quadrant would have contained 25 of thofe parts. The Chord or Subtenfe of an Arc is a right line drawn from one end of the arc to the other. The Right Sine of any arc,«. which is generally called only its Sine, is a perpendicular... | |
 | John Bonnycastle - Trigonometry - 1806 - 464 pages
...and two right angles, or 180°. Thus B oc is the complement of A o B, and B oa is its supplement. The sine of an arc is a right line drawn from one end of the arc perpendicular to the diameter which passes through the other end. Thus BD is the sine of AB,... | |
 | Samuel Webber - Mathematics - 1808 - 466 pages
...here are chords, answering to the points of the Mariners' Compass, which are 32 in the circle. t The sine of an arc is a right line, drawn from one end of an arc perpendicular to the radius, drawn to the other end. The versed sine is the part of the radius,... | |
 | Edward Augustus Kendall - Encyclopedias and dictionaries - 1811 - 476 pages
...thus BE is the chord or subtense of the arc BAE, or BDE. The sine, or, as it is sometimes called, the right sine, of an arc, is a right line drawn from one extremity of the arc, perpendicular to the diameter passing through the other extremity : thus BF is... | |
 | Enoch Lewis - Conic sections - 1844 - 234 pages
...circle is any part of the circumference, usually taken less than the whole. As AB, or BHD. 2. The chord of an arc is a right line drawn from one end of the arc to the other. Thus, BE is the chord of the arc BAE, or BDE. 3. The sine of an arc is a straight... | |
 | Mathematicians - 1923 - 494 pages
...starts in with definitions of trigonometry and of "the lines applied to a circle." For example, "the right sine of an arc is a right line drawn from one end or termination of an arc to the radius and perpendicular thereto." 'There are 6 cases of right-angled... | |
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The sine, or, as it is sometimes called, the right sine, of an arc, is a right line drawn from one... 