 | H. Curzon - 1712 - 596 pàgines
...one fide more than another. And an Oblique Angle is either Acute, (ie Sharp) or Obtufe, /'. e. Blunt. Every Circle is fuppofed to be divided into 360 equal Parts, called Degrees, and every Degree into 60 Minutes, and each Minute into 60 Seconds, &c. Some fuppofe every Degree to be... | |
 | Philip Ronayne - 1717 - 478 pàgines
...«r U v ^ > I « 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... | |
 | John Ward - 1719 - 472 pàgines
...ntceffarj to fremife, That I. The Periphery (or Circumference') of every Circle (whether Great or Small} is fuppofed to be Divided into 360 equal Parts, called Degrees ; And every one of thofe Degrees are Divided into 60 equal Parti called Minutes, &c. •: All Jnglet are... | |
 | E. S., Edmund Stone - 1721 - 60 pàgines
...the Tangent of half that Arc$ whence the greateft Semitangent, or that of 1 80 Degrees, is infinite. The Circumference of every Circle is fuppofed to be...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... | |
 | Thomas Simpson - 1748 - 84 pàgines
...and about, the Circle, be 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... | |
 | Henry Wilson - 1761 - 580 pàgines
...at a, is the Center of the Circle required. SECT. II. The ConftmSlion of Sines, Sec.' E VERY great Circle is (fuppofed to be) divided into 360 equal Parts, called Degrees, whereof the Half, or Semicircle, contains 180 Degrees, and the Quarter or Quadrant is 90 Degrees, and... | |
 | John Ward - 1771 - 510 pàgines
...of this Problem, 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... | |
 | William Nicholson - 1784 - 462 pàgines
...;the arc BC : the arc b c. Which was tobe proved. Scholium. In the practical admeafurement of angles, every circle is fuppofed to be divided into 360 equal parts called degrees, which degrees are again divided each into 60 equal parts called minutes, and thofe minutes again each... | |
 | Vasiliĭ Nikitich Nikitin, Prokhov Ignatévich Suvorov - 1793 - 146 pàgines
...ftrait lines belong as well to the arches, as to the angles at the center, which ftand on them. 2 . The circumference of every circle is fuppofed to be divided into 360 equal parts, which are called degrees (poij <xî, gradus) -, and every degree into 60 equal parts, which are called... | |
 | Robert Gibson - 1795 - 384 pàgines
...Circumference into two equal Parls oukd Semicircles ; and is double the Radius, as AB cr DE. Fig. 8. 1 8. The Circumference of every Circle is fuppofed to be...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... | |
| |
The circumference of every circle is supposed 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 these into thirds, etc. 
