| H. Curzon - Encyclopedias and dictionaries - 1712 - 596 pages
...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 - Algebra - 1717 - 478 pages
...«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 -of... | |
| John Ward - Mathematics - 1719 - 472 pages
...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 - Compasses (Mathematical instruments) - 1721 - 60 pages
...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... | |
| Archibald Patoun - Navigation - 1734 - 568 pages
...Diameter divides the Circle and Circumference into two equal Parts, and is double the Radius. 1 6. The Circumference of every Circle is fuppofed to be...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 - Gaging - 1740 - 322 pages
...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 - Mathematical instruments - 1746 - 62 pages
...Tangent of half that Arcs Arc 5 whence the greatefi Semitangent, or that of 180 Degrees, is infinite. The Circumference of every Circle is fuppofed to be...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... | |
| Henry Wilson - Navigation - 1761 - 580 pages
...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... | |
| Archibald Patoun - Navigation - 1770 - 578 pages
...Circle and Circurpo ferenee 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 6b equal Parts, called Seconds... | |
| Robert Simson - Trigonometry - 1775 - 534 pages
...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... | |
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