 | Philip Ronayne - 1717 - Liczba stron: 478
...PARTI. .•;.-. . ... Of TRIGONOMETRf. f * r*" . У ;: "> •" ^ Definitions. ï; Д Circle is fuppofed to be ^* divided into 360 equal Parts, called Degrees, and each Degree into 60 equab Pans>calledMinutes,?md each Minute into 60 eqpal Parts1 called Seconds , ÖV. Any Partien -of... | |
 | E. S., Edmund Stone - 1721 - Liczba stron: 60
...greateft Semitangent, or that of 1 80 Degrees, is infinite. The Circumference of every Circle is fuppofed to be divided into 360 equal Parts, called Degrees ; and each Degree in 60 equal Parts, called Minutes, &c. This Number was chofen by Geometricians for the Diviiion of... | |
 | Archibald Patoun - 1734 - Liczba stron: 568
...into two equal Parts, and is double the Radius. 1 6. The Circumference of every Circle is fuppofed to be divided into 360 equal Parts, called Degrees ; and each Degree is divided into 60 equal Parts, called Minutes ; and each Minute into 60 e?ual Parts, called Seconds;... | |
 | Robert Shirtcliffe - 1740 - Liczba stron: 322
...Ancients divided the Circumference of a Circle into 360 equal Parts, each of which they called a Degree ; and each Degree into 60 equal Parts called Minutes ; and each Minute into 60 Parts called Seconds, and fo on to thirds, fourths, &c. every Arch of a Circle, being denoted by the... | |
 | Edmund Stone - 1746 - Liczba stron: 62
...greatefi Semitangent, or that of 180 Degrees, is infinite. The Circumference of every Circle is fuppofed to be divided into 360 equal Parts, called Degrees...and. each Degree into 60 equal Parts, called Minutes, &V. This Number was chofen by Geometricians for the Divifion of a Circle^ becaufe it may be divided... | |
 | Robert Simson - 1775 - Liczba stron: 534
...meafure of the angle ABC. II. The circumference of a circle is fuppofed to be divided into H h ' 360 360 equal parts called degrees, and each degree into...60 equal parts called minutes, and each minute into 6e equal parts called feconds, &c. And as many degrees, minutes, feconds, &c as are contained in any... | |
 | Thomas Simpson - 1800 - Liczba stron: 448
...fuppofed divided into fome affigned number of equal parts. 2. The periphery of every circle is fuppofed to be divided into 360 equal parts, called degrees ; and each degree into 60 cgual parts, called minutes, and each minute into 60 equal parts, called feconds, or fccond minutes,... | |
 | 1801 - Liczba stron: 446
...the two sides, that, which stands at the angular point, is rend in the middle. C 56. The 39° 5 6. The circumference of every circle is supposed to be...equal parts, called degrees ; and each degree into 60 minutes, each minute into do seconds, and so on. Hence a semicircle contains 1 80 degrees, and a quadrant... | |
 | David Steel - 1805 - Liczba stron: 392
...centre to the circumference of a circle, is called a Radius. All the radii of the same circle are equal. The circumference of every circle is supposed to be divided into 360 parts, called degrees; each degree into 60 equal parts, called minutei; and each minute into 60 equal... | |
 | John Bonnycastle - 1806 - Liczba stron: 464
...by an arc of a circle contained between its two legs, and having the angular point for its centre. Every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; each minute into 60 equal parts, called seconds... | |
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The Circumference of every circle is supposed to be divided into 360 equal parts, called Degrees ; and each degree into 60 Minutes, each minute into 60 Seconds, and so on. 
