 Also sin2 A is an abbreviation for (sin A)2, ie, for (sin A) x (sin A). Such abbreviations are used for convenience. 14. The Trigonometric Functions are always the Same for the Same Angle. — Let BAD be any angle; in AD take P, P', any two points, and...  Plane and Spherical Trigonometry - Pàgina 11per Elmer Adelbert Lyman, Edwin Charles Goddard - 1900 - 139 pàginesVisualització completa - Sobre aquest llibre
 | John Bascombe Lock - 1882 - 378 pàgines
...denote sin A by a single letter, such as * or x. Also sin2 A is an abbreviation for (sin ^)2, that is for (sin A) x (sin A). Such abbreviations are used because they are convenient. 83. The Trigonometrical Ratios are always the same for tl1e name angle. Take any angle ROE ; let P... | |
 | Edward Albert Bowser - 1892 - 392 pàgines
...notice that ' sin A ' is a single symbol, the name of a number, or fraction belonging to the angle A. Also sin2 A is an abbreviation for (sin A)2, ie, for (sin A) x (sin A). Such abbreviations are used for convenience. 14. The Trigonometric Functions are always the Same for the Same Angle. — Let BAD... | |
 | Edward Albert Bowser - 1892 - 202 pàgines
...that ' sin A ' is a single symbol, the name of a number, or fraction belonging to the angle A. Aleo sin2 A is an abbreviation for (sin A)2, ie, for (sin A) x (sin A) . Such abbreviations are used for convenience. 14. The Trigonometric Functions are always the 'Same for the Same Angle. — Let BAD... | |
 | Edward Albert Bowser - 1894 - 206 pàgines
...' sin A ' is a single symbol, the name of a number, or fraction belonging to the angle A. Also sin3 A is an abbreviation for (sin A)2, ie, for (sin A) x (sin A) . Such abbreviations are used for convenience. 14. The Trigonometric Functions are always the Same for the Same Angle. — Let BAD... | |
 | John Bascombe Lock - 1892 - 354 pàgines
...denote sin A by a single letter, such as « or x. Also sin2 A is an abbreviation for (sin A)1, that is for (sin A} x (sin A). Such abbreviations are used because they are convenient. 83. The Trigonometrical Ratios are always the same for the same angle. Take any angle ROE • let P... | |
 | Elmer Adelbert Lyman, Edwin Charles Goddard - 1899 - 188 pàgines
...letter, such as o, or x. Also, sin2« is an abbreviation for (sin «)2, ie for (sin «) x (sin «). Such abbreviations are used because they are convenient....following reciprocal relations are apparent : sina=— 1— esc a cos a = — — , seca esc « = . tana = cota Also from the definitions, cosa sec « = •... | |
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