| Francis Joseph GRUND - 1830 - 12 páginas
...circles, described with any radius between their legs. The circumference is for this purpose divided **into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; each** minute again into 60 equal parts, called seconds, &c. 16. The magnitude of an angle does not depend... | |
| Charles Davies - 1830 - 306 páginas
...purposes of trigonometrical calculations, the circumference of the circle is supposed 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. 26. As the circumference of a circle may be... | |
| Adrien Marie Legendre - 1830 - 316 páginas
...of trigonometrical calculations, the circumference of the circle is conceived to be divided into 36O **equal parts, called degrees ; each degree into 60 equal parts, called minutes** ; and each minute into 60 equal parts, called seconds. The semicircumference, or the measure of two... | |
| Ira Wanzer - 1831 - 396 páginas
...Astronomers, Navigators, &c. Note 2. — The circumference of 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 seconds, and each second into 60 thirds, &c. 16. Of Particulars. 12 Particular things... | |
| Francis Joseph Grund - 1834 - 190 páginas
...circles, described with any radius between their legs. The circumference is, for this purpose, divided **into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; each** minute, again, into 60 equal parts, called seconds, &c. 16. The magnitude of an angle does not depend... | |
| William Smyth - 1834 - 72 páginas
...with equal radii. ' 10. The entire circumference of every circle, whether great or small, is divided **into 360 equal parts called degrees, each degree into 60 equal parts called minutes, each** minute into 60 equal parts called seconds, each second into 60 equal parts called thirds, &c. The character... | |
| Thomas Spofford - 1835 - 72 páginas
...sun is in one of the foci. Each orbit is divided into 12 equal parts called signs j each sign into 30 **equal parts called degrees; each degree into 60 equal parts called minutes; each** minute into 60 seconds ; each second into 60 thirds, &c. Beginning at that part of the ecliptic where... | |
| Adrien Marie Legendre - 1836 - 359 páginas
...CIRCUMFERENCE. I. For the purposes of trigonometrical calculation, the cir cumference of the circle is divided **into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes** ; and each minute into 60 equal parts, called seconds. The semicircumference, or the measure of two... | |
| Andrew Bell - 1837 - 240 páginas
...a circle is accordingly supposed to be divided into 360 equal parts, called degrees ; each of these **into 60 equal parts, called minutes ; each of these into 60 equal parts, called seconds, and so on.** If, therefore, a circle be described from the angular point as a centre, the number of degrees, minutes,... | |
| 1837 - 249 páginas
...accuracy. 41. For the purposes of trigonometrical calculations, the circumference of the circle is divided **into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes** ; and each minute into 60 equal parts, called seconds. As the circumference of a circle may be regarded... | |
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