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 Bøker Bok 1–9 av 9 på The straight line BE between the centre and the extremity of the tangent AE, is called...
The straight line BE between the centre and the extremity of the tangent AE, is called the Secant of the arch AC, or of the angle ABC. COR. to def.
Trigonometry, Plane and Spherical: With the Construction and Application of ... - Side 13
av Thomas Simpson - 1799 - 79 sider
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## Elements of Geometry;: Containing the First Six Books of Euclid, with Two ...

John Playfair - 1795 - 400 sider
...through the other extremity C in E, is called the Tangent of the arch AC, or of the angle ABC. CoR. The tangent of half a right angle is equal to the radius. VII. The ftraight line BE between the centre and the extremity of the tangent AE, is called the Secant...
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## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - 1819 - 333 sider
...passes through C the other extremity, is called the Tangent of the arch AC, or of the angle ABC. COR. The tangent of half a right angle is equal to the radius. VII. The straight line BE, between the centre and the extremity of the tangent AE is called the Secant...
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## A general view of the sciences and arts, Volum 1

William Jillard Hort - 1822
...B the other extremity of the arch AB, is the tangent of that arch, or of the angle ACB. Corollary. The tangent of half a right angle is equal to the radius. The secant of an arch is the diameter of the circle of which that arch is a part, which is produced...
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## A treatise on navigation, and nautical astronomy

Edward Riddle - 1824
...of their complements. For as = -, therefore log rad — log tan = tan rad log cot — log rad. Now the tangent of half a right angle is equal to the radius; therefore the distance on the logarithmic scale from the tangent of any less angle than half a right...
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## The Elements of Euclid: viz. the first six books, together with the eleventh ...

Euclid, Robert Simson - 1835 - 513 sider
...through C, the other extremity, in E, is called the Tangent of the arch AC, or of the angle ABC. COR. The tangent of half a right angle is equal to the radius. VIII. The straight line BE between the centre and the extremity of the tangent AE, is called the Secant...
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## The Elements of Euclid: viz. the first six books, together with the eleventh ...

Euclid, Robert Simson - 1835 - 513 sider
...through C, the other extremity, in E, is called the Tangent of the arch AC, or of the angle ABC. COR. The tangent of half a right angle is equal to the radius. VIII. The straight line BE between the centre and the extremity of the tangent AE, is called the Secant...
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## Elements of Plane Geometry According to Euclid

Andrew Bell - 1837 - 240 sider
...DEFINITIONS. 1. The sine of a quadrant, or of aright angle, is equal to the radius. For CO = sin AC. 2. The tangent of half a right angle is equal to the radius. For, if angle AOF were half a right angle, so would F (I. 32), and therefore AF would be equal to AO....
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## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - 1842 - 317 sider
...passes through C the other extremity, is called the Tangent of the arc AC, or of the angle ABC COR. The tangent of half a right angle is equal to the radius. 7. The straight line BE, between the centre and the extremity of the tangent AE is called the Secant...
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## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - 1846 - 317 sider
...passes through C the other extremity, is called the Tangent of the arc AC, or of the angle ABC COR. The tangent of half a right angle is equal to the radius. 7. The straight line BE, between the centre and the extremity of the tangent AE is called the Secant...
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