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In every plane triangle there are six parts : three sides and three angles. Of these, any three being given, provided one of them is a side, the others may be determined. In a right-angled triangle, one of the six parts, viz., the right angle, is always...
Elements of Plane Trigonometry: And Their Application to the Measurement of ... - Página 27
por William Frothingham Bradbury - 1864
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## A Treatise of Plane Trigonometry: To which is Prefixed, a Summary View of ...

Jeremiah Day - 1815 - 126 páginas
...constant quantity; while the other angles and the sides are variable. It is also to be observed, that, if one of the acute angles is given, the other is known of course. For one is the complement of the other. (Art. 76, 77.) So that, in a right angled triangle,...
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## A Practical Application of the Principles of Geometry to the Mensuration of ...

Jeremiah Day - 1815 - 96 páginas
...constant quantity; while the other angles and the sides are variable. It is also to be observed, that, if one of the acute angles is given, the other is known of course. For one is the complement of the other. (Art. 76, 77.) So that, in a right angled triangle,...
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## The Second [-fifth and Sixth] Part of A Course of Mathematics: Adapted to ...

Jeremiah Day - 1824
...constant quantity ; while the other angles and the sides are variable. It is also to be observed, that, if one of the acute angles is given, the other is known of course. For one is the complement of the other. (Art. 76, 77.) So that, -in a right angled triangle,...
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## The Principles of Plane Trigonometry, Mensuration, Navigation and Surveying

Jeremiah Day - 1831 - 370 páginas
...constant quantity ; while the other angles and the sides are variable. It is also to be observed, that, if one of the acute angles is given, the other is known of course. For one is the complement of the other. (Art. 76, 77.) So that, in a right angled triangle,...
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## A Course of Mathematics: Containing the Principles of Plane ..., Volúmenes1-3

Jeremiah Day - 1838
...constant quantity ; while the other angles and the sides are variable. It is also to be observed, that, if one of the acute angles is given, the other is known of course. For one is the complement of the other. (Art. 76, 77.) So that, in a right angled triangle,...
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## A Course of Mathematics: Containing the Principles of Plane Trigonometry ...

Jeremiah Day - 1839 - 370 páginas
...constant quantity ; while the other angles and the sides are variable. It is also to be observed, that, if one of the acute angles is given, the other is known of course. For one is the complement of the other. (Art. 76, 77.) So that, in a right angled triangle,...
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## A Treatise of Plane Trigonometry, and the Mensuration of Heights and ...

Jeremiah Day - 1848 - 153 páginas
...constant quantity ; while the other angles and the .sides are variable. It is also to be observed, that, if one of the acute angles is given, the other is known of course. For one is the complement of the other. (Art. 70, 77.) So that, in a right angled triangle,...
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## A Course of Mathematics: Containing the Principles of Plane Trigonometry ...

Jeremiah Day - 1851
...constant quantity ; while the other angles and the sides are variable. It is also to be observed, that, if one of the acute angles is given, the other is known of course. For one is the complement of the other. (Art. 76, 77.) So that, in a right angled triangle,...
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## The Popular Educator, Volumen6

1855
...angles. Of these, any three being given, provided one of them is a side, the others may be determined. In a rightangled triangle, one of the six parts, viz....if one of the acute angles is given, the other is, of course, known. Hence the number of parts to be considered in a right-angled triangle is reduced...
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## Elements of Plane and Spherical Trigonometry: With Their Applications to ...

Elias Loomis - 1855 - 178 páginas
...others may be determined. In a right-angled triangle, one of the six parts,-viz., the right anglfc, is always given; and if one of the acute angles is given, the other is, of course, known. Hence the number of parts to be considered in a right-angled triangle is reduced...
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