| Philip Ronayne - 1717 - 408 páginas
...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... | |
| Edmund Stone - 1721 - 44 páginas
...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 - 414 páginas
...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;... | |
| E. S. - 1746 - 44 páginas
...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^... | |
| Thomas Simpson - 1748 - 77 páginas
...fuppofed divided into fome afligned 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** equal Parts, called Minutes ; and each Minute into 60 equal Parts, called Seconds, or fecond Minutes,... | |
| John Ward - 1771 - 480 páginas
...RN: SN::RA: Г A. And RN : RS : : RA : RT= the Secant of that Arch. DEF INITIONS. Circle is fuppofed **to be divided into 360 equal Parts called Degrees ; and each Degree into 60** equal Parts, called Minutes ; and each Minute into 60 equal Parts, called Seconds, &c. Any Portion... | |
| Robert Gibson - 1795 - 319 páginas
...; and is double the Radius, as AB cr DE. Fig. 8. 1 8. 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, and each Minute into 60 equal Parts called Seconds, and thefe into Thirds,... | |
| Thomas Simpson - 1800 - 400 páginas
...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,... | |
| Abel Flint - 1804 - 168 páginas
...the Centre ; and it divides the Circle into two equal parts, called Semicircles ; as AB or DE. 14. **The. Circumference of every Circle is supposed to...equal parts, called Degrees ; and each Degree into 60** equal parts, called Minutes ; and each Minute into 60 equal parts, called Seconds ; jktl these into... | |
| Robert Simson - 1804
...; the arch AC is called the meafure of the angle ABC. II. The circumference of a circle is fuppofed **to be divided into 360 equal parts called degrees, and each degree into 60** equal parts called minutes, and each minute into 60 equal parts called feconds, &c. And as many degrees,... | |
| |