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Llibres Llibres 1 - 9 de 9 sobre The COMPLEMENT OF AN ANGLE, or arc, is the remainder obtained by subtracting the....
" The COMPLEMENT OF AN ANGLE, or arc, is the remainder obtained by subtracting the angle or arc from 90°. Thus the complement of 45° is 45°, and the complement of 31° is 59°. When an angle, or arc, is greater than 90°, its complement is negative.... "
Plane Trigonometry - Pāgina 14
1906 - 188 pāgines
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A Treatise on Trigonometry, and on Trigonometrical Tables and Logarithms ...

John Hymers - 1841 - 151 pāgines
...make a right angle ; thus the complement of 45° is 45°, and the complement of 30° is 60°. When the angle is greater than 90°, its complement is negative ; thus the complement of 127° is - 37°. The two acute angles of a rightangled triangle arc complements one of the other. The...
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A Treatise on Plane and Spherical Trigonometry: And on Trigonometrical ...

John Hymers - 1858 - 232 pāgines
...to make a right angle ; thus the complement of 45° is 45*, and the complement of 30" is 60'. When the angle is greater than 90", its complement is negative ; thus the complement of 127* is — 37*. The two acute angles of a right-angled triangle are complements one of the other....
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Elements of Geometry and Trigonometry: With Practical Applications

Benjamin Greenleaf - 1862 - 490 pāgines
...90°. Thus the complement of 45° is 45°, and the complement of 31° is 59°. When an angle, or arc, is greater than 90°, its complement is negative. Thus the complement of 127° is — 37°. Since the two acute angles of a right-angled triangle are together equal to a right...
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Elements of Geometry: With Practical Applications to Mensuration

Benjamin Greenleaf - 1863 - 320 pāgines
...90°. Thus the complement of 45° is 45°, and the complement of 31° is 59°. When an angle, or arc, is greater than 90°, its complement is negative. Thus the complement of 127° is — 37°. Since the two acute angles of a right-angled triangle are together equal to a right...
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Elements of Trigonometry: Plane and Spherical

Lefébure de Fourcy (M., Louis Etienne) - 1868 - 288 pāgines
...The complement of an arc or angle is the difference between that arc or angle and 90°. When the arc is greater than 90°, its complement is negative; thus, the complement of 127o is —37°. The two acute angles of a right-angled triangle are complements of each other. 15....
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Plane and Spherical Trigonometry, Part 2

Henry W. Jeans - 1872
...complement of an angle is that angle which must he added to it to make 90° or a right angle. When the angle is greater than 90°, its complement is negative : thus, the complement of 70° is 20°, and the complement of 100° is —10°. By formulae (oj) . . . (Z>6) (p. 20), it appears...
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Elements of Plane and Spherical Trigonometry: With Practical Applications

Benjamin Greenleaf - 1876 - 170 pāgines
...90°. Thus the complement of 45° is 45°, and the complement of 31° is 59°. When an angle, or arc, is greater than 90°, its complement is negative. Thus the complement of 127° is — 37°. Since the two acute angles of a right-angled triangle are together equal to a right...
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Plane and Spherical Trigonometry

Alfred Hix Welsh - 1894 - 206 pāgines
...Complement of an Angle is 90° minus the angle. Thus, the complement of 30° is 60°. 2. It follows that, if the angle is greater than 90°, its complement is negative. Thus, the complement of 120° is 90° - 120° = -30°. 3. The acute angles of a right triangle are complements of each other....
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Geometry: Plane Trigonometry. Chain Surveying. Compass Surveying. Transit ...

International Correspondence Schools - 1906
...Anprles. — The complement of an angle is the algebraic difference between the angle and 90°. If the angle is greater than 90°, its complement is...Similarly, sin 95° = cos (90° - 95°) = cos (- 5°). It is, therefore, necessary to know how to determine the functions of negative angles. If 90° + A...
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