Libros Libros 91 - 98 de 98 sobre AC, (Fig. 25.) is to their difference ; as the tangent of half the sum of the angles... AC, (Fig. 25.) is to their difference ; as the tangent of half the sum of the angles ACB and ABC, to the tangent of half their difference. Elements of Plane and Spherical Trigonometry: With Their Applications to ... - Página 18
por Olinthus Gregory - 1816 - 244 páginas
Vista completa - Acerca de este libro ## Land and Marine Surveying in Reference to the Preparation of Plans for Roads ...

William Davis Haskoll - 1886 - 230 páginas
...angle will be acute. When two sides and their included angle are given. — As the sum of any two sides is to their difference, So is the tangent of half the sum of their opposite angles to the tangent of half their difference. Then the half difference of these angles,...
Vista completa - Acerca de este libro ## Philosophical Transactions of the Royal Society of London

1828
...the following method : As the tangent of half the sum of the co-latitudes is to the tangent of half their difference ; so is the tangent of half the sum of the observed angles, to the tangent of half their difference. The triangle is thus reduced to a spherical...
Vista completa - Acerca de este libro ## Manual of Rules, Tables, and Data for Mechanical Engineers: Based on the ...

Daniel Kinnear Clark - 1889 - 1011 páginas
...the included angle are given. RULE 4. To find the other side: — as the sum of the two given sides is to their difference, so is the tangent of half the sum of their opposite angles to the tangent of half their difference — add this half difference to the half...
Vista completa - Acerca de este libro ## Practical Surveying: A Text-book for Students Preparing for Examinations Or ...

George William Usill - 1889 - 272 páginas
...opposite angle. B. In a plane triangle the sum of the sides is to their difference in the same ratio as the tangent of half the sum of the angles at the base of the triangle is to the tangent of half their difference. C. In a plane triangle the base is to the...
Vista completa - Acerca de este libro ## The Field Engineer: A Handy Book of Practice in the Survey, Location, and ...

William Findlay Shunk - 1890 - 339 páginas
...3. 1n ang plane triangle, as the sum of the sides about the vertieal angle is to their differenee, so is the tangent of half the sum of the angles at the base to the tangent of half their differenee. 4. 1n ang plane triangle, as the eosine of half the differenee of the angles at the base...
Vista completa - Acerca de este libro ## The Field Engineer: A Handy Book of Practice in the Survey, Location, and ...

William Findlay Shunk - 1890 - 339 páginas
...will be the sum of the other two angles. Then, by proposition 3, — As the sum of the given sides is to their difference, So is the tangent of half the sum of the remaining angle« to the tangent of half their difference!. Half the sum of the remaining angles added...
Vista completa - Acerca de este libro ## The Field Engineer: A Handy Book of Practice in the Survey, Location, and ...

William Findlay Shunk - 1908 - 345 páginas
...will be the sum of the other two angles. Then, by proposition 3, — As the sum of the given sides is to their difference, So is the tangent of half the sum of the remaining angles to the tangent of half their difference. Half the sum of the remaining angles added...
Vista completa - Acerca de este libro ## Industrial Engineering: A Handbook of Useful Information for ..., Volumen1

William Miller Barr - 1918
...and the included angle are given. Rule 4. To find the other side: as the sum of the two given sides is to their difference, so is the tangent of half the sum of their opposite angles to the tangent of half their difference — add this half difference to the half...
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