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 Llibres Llibres 1 - 10 de 88 sobre In any triangle the square of any side is equal to the sum of the squares of the.... In any triangle the square of any side is equal to the sum of the squares of the other two sides minus twice the product of these two sides and the cosine of their included angle. New Plane and Spherical Trigonometry - Pàgina 63
per Webster Wells - 1896 - 126 pàgines
Visualització completa - Sobre aquest llibre ## A Treatise on Trigonometry, and on Trigonometrical Tables and Logarithms ...

John Hymers - 1841 - 151 pàgines
...Л а sin B b' It A = 90°, we still have, in conformity with the theorem, 6 sin В = . a 92. In any triangle, the square of any side is equal to the sum of the squares of the two other sides, diminished by twice the product of these sides and the cosine of the...
Visualització completa - Sobre aquest llibre ## A treatise on plane and spherical trigonometry, and on trigonometrical ...

John Hymers - 1858
...BA = BD — AD ; If A = 90° we still have in conformity with the theorem, с = a cos B. 92. In any triangle, the square of any side is equal to the sum of the squares of the two other sides, diminished by twice the product of these sides and the cosine of the...
Visualització completa - Sobre aquest llibre ## Elements of Geometry and Trigonometry: With Practical Applications

Benjamin Greenleaf - 1862 - 490 pàgines
...or, as it may be written, a + b : a — b : : tan £ (A -\- B) : tan £ (A — B). (95) 113. In any triangle, the square of any side is equal to the sum of the squares of the two other sides, diminished by twice the rectangle of these sides multiplied by the...
Visualització completa - Sobre aquest llibre ## Elements of Plane and Spherical Trigonometry: With Practical Applications

Benjamin Greenleaf - 1862 - 490 pàgines
...or, as it may be written, a-\-b : a — b : : tan £ (A + -B) : tan (94) — .B). (95) 113. ./« any triangle, the square of any side is equal to the sum of the squares of the two other sides, diminished by twice the rectangle of these sides multiplied by the...
Visualització completa - Sobre aquest llibre ## Elements of Geometry: With Practical Applications to Mensuration

Benjamin Greenleaf - 1863 - 320 pàgines
...B) ' « + 6 __ tan % (A + B) tan ^ (A — B) ' (94) (A -\- B) : tan £ (A — B). (95) B 113. In any triangle, the square of any side is equal to the sum of the squares of the two other sides, diminished by twice the rectangle of these sides multiplied by the...
Visualització completa - Sobre aquest llibre ## Dublin examination papers

Dublin city, univ - 1878
...circle : — (a). Any side is equal to twice the tangent from its middle point to the circle. (4). The square of any side is equal to the sum of the squares of the tangents from its extremities to the circle. 14. A square is described on the hypotheneuse...
Visualització completa - Sobre aquest llibre ## Elements of Plane and Spherical Trigonometry with Logarithmic and Other ...

Simon Newcomb - 1882 - 104 pàgines
...required parts of the triangle from the altitude. CASE III. Given the three sides. THEOREM III. In a triangle the square of any side is equal to the sum of the squares of the other two sides minus twice the product of these two sides into the cosine of the angle...
Visualització completa - Sobre aquest llibre ## A Practical Text-book on Plane and Spherical Trigonometry

Webster Wells - 1883 - 214 pàgines
...Since the result (80) may also be written a+b _ COt i Ü ХддЧ а — b tan b (A — В) 146. In any triangle the square of any side is equal to the sum of the squares of the other two sides, minus twice their product into the cosine of their included angle....
Visualització completa - Sobre aquest llibre ## The Essentials of Plane and Spherical Trigonometry

Webster Wells - 1887 - 151 pàgines
...£ C a — b~tau\$(A — B)' (51) 116. In any triangle, the square of any side is equal to the sum of the squares of the other two sides, minus twice their product into the cosine of their included angle. CASE I. When the included angle A is acute. 0 ъ, FIG. 1. There will be two cases, according as the...
Visualització completa - Sobre aquest llibre ## Plane Trigonometry

Webster Wells - 1887 - 103 pàgines
...В = 180° - С, we have Thus formula (48) may be put in the form a + b _ cot ^ С '51-. 116. In any triangle, the square of any side is equal to the sum of the squares of the other two sides, minus twice their product into the cosine of their included angle....
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