Elements of Geometry and Trigonometry: From the Works of A.M. Legendre : Revised and Adapted to the Course of Mathematical Instruction in the United States

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A.S. Barnes & Company, 1854 - 432 pàgines
 

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Pàgina 27 - If two triangles have two sides of the one equal to two sides of the...
Pàgina 227 - A spherical triangle is a portion of the surface of a sphere, bounded by three arcs of great circles.
Pàgina 256 - The logarithm of . the quotient of two numbers, is equal to the logarithm of the dividend diminished by the logarithm of the divisor.
Pàgina 97 - The square described on the hypothenuse of a right-angled triangle is equivalent to the sum of the squares described on the other two sides.
Pàgina 26 - The sum of any two sides of a triangle is greater than the third side.
Pàgina 271 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees...
Pàgina 93 - The area of a parallelogram is equal to the product of its base and altitude.
Pàgina 358 - CUBIC MEASURE 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard...
Pàgina 323 - A'B'C', and applying the law of cosines, we have cos a' = cos b' cos c' + sin b' sin c' cos A'. Remembering the relations a' = 180° -A, b' = 180° - B, etc. (this expression becomes cos A = — cos B cos C + sin B sin C cos a.
Pàgina 64 - Two equal chords are equally distant from the centre ; and of two unequal chords, the less is at the greater distance from the centre.

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