### Definition of Semiangles

1. Noun. (plural of semiangle) ¹

¹ Source: wiktionary.com

### Semiangles Pictures

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### Literary usage of Semiangles

Below you will find example usage of this term as found in modern and/or classical literature:

1. Elements of Quaternions by William Rowan Hamilton (1901)
"the relation between these two semiangles, of two osculating right cones, being rigorously expressed by the formula, XXV. . . tan С = | tan HA new oblique ..."

2. Elements of Geometry by Adrien Marie Legendre (1841)
"situated at any distance OC, and the perpendiculars OE, CB,ia the direction OC; thus DOE and ACB will be the semiangles at the centre of the polygons ..."

3. Elements of Geometry by Adrien Marie Legendre (1825)
"situated at any distance OC, and the perpendiculars OE, CB, in the direction OC; thus DOE and ACB will be the semiangles at the centre of the polygons ..."

4. Elements of Geometry by Adrien Marie Legendre (1819)
"E and ACB will be the semiangles at the centre of the polygons respectively, and as these angles are nut equal, the lines CJ1, OD, being produced, ..."

5. Institutes of Natural Philosophy: Theoretical and Practical by William Enfield, Alexander Ewing (1811)
"The semiangles of the earth's shadow, and of the moon's shadow, being each equal to the sun's apparent semidiameter, the angles are equal to one another, ..."

6. A Dictionary of Mechanical Science, Arts, Manufactures, and Miscellaneous by Alexander Jamieson (1829)
"The semiangles of the earth's shadow and of the moon's shadow, being each equal to the sun's apparent •w/. ..."

7. A System of Mineralogy: Including an Extended Treatise on Crystallography by James Dwight Dana (1837)
"X— — p v_ " V- - _ m3q — 7t — 3a" For the semiangles we may thence obtain, Cos. i X= =2 ; cos. JY = '^? in which equations, ..."