| Philip Ronayne - 1717 - 408 sider
...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 sider
...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 sider
...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 sider
...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... | |
| John Ward - 1747 - 480 sider
...of that Arch. IPIane ^Trigonometry. I. A Circle is -tJL vidcd into DEFINITIONS. fuppos'd to be di-. **360 equal Parts, called Degrees ; and each Degree into 60 equal Parts, called Minutes ; and** each Minute into 60 equal Parts, called Seconds, &V. Any Portion of whofe Circumference is called an... | |
| John Ward (of Chester.) - 1747 - 480 sider
...the Secant ofthat Arch. IPlane I. Л Circle is DEFINITIONS. fuppos'd to be divided into 360 ecjual **Parts, called Degrees ; and each Degree into 60 equal Parts, called Minutes ; and** each Minute into 60 equal Parts, called Seconds, ÜV. Any Portion of whofe Circumference is called... | |
| Thomas Simpson - 1748 - 77 sider
...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;...each Degree into 60 equal Parts, called Minutes ; and** each Minute into 60 equal Parts, called Seconds, or fecond Minutes, &c. B G 3. Any Part AB of H the... | |
| John Ward - 1771 - 480 sider
...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...each Degree into 60 equal Parts, called Minutes ; and** each Minute into 60 equal Parts, called Seconds, &c. Any Portion of whc/e Circumference is called an... | |
| Robert Simson - 1775 - 520 sider
...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... | |
| Euclid - 1781 - 520 sider
...co-fucant of the angle rtionai between the tan.ngles HKB, ABC will \.E arc right ; therefore rill• **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, minutes, feconds, &c. as are... | |
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