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 Livros Livros 31 - 40 de 86 sobre In this equation n is the tangent of the angle which the line makes with the axis....
In this equation n is the tangent of the angle which the line makes with the axis of abscissae, and B is the intercept on this axis from the origin.
A Treatise on Plane Co-ordinate Geometry as Applied to the Straight Line and ... - Página 25
de Isaac Todhunter - 1862 - 326 páginas
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## The Elements of Coordinate Geometry: In Three Parts: 1. Cartesian Geometry ...

De Volson Wood - 1882 - 333 páginas
...vertex is an ellipse. 50. Show that the equation to the normal of an ellipse expressed in terms of the tangent of the angle which the line makes with the axis of x is у = mx — m 57. In the ellipse x* + 4yf = 9, show that the locus of the middle points of all chords...
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## An Elementary Treatise on Analytic Geometry, Embracing Plane Geometry and an ...

Edward Albert Bowser - 1880 - 287 páginas
...because it is evidently satisfied when x' and y' are substituted in it for x and y. The constant a is the tangent of the angle which the line makes with the axis of x, or the ratio of the sines of the angles which the line makes with the two axes respective! y, according...
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## Questions and Exercises on Stewart's Lessons in Elementary Physics

George Anthony Hill - 1880 - 188 páginas
...the straight line, a and b denote the intercepts of the line on the axes of x and y respectively, TO the tangent of the angle which the line makes with the axis of x, p the perpendicular on the line from the origin, a the angle which this perpendicular makes with the...
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## Annual Report of the Secretary of War, Volume 2

United States. War Dept - 1882
...observations, and hence a and h are the quantities tobo derived from the equations. The quantity a becomes the tangent of the angle which the line makes with the axis of abscissas, and b the distance from the origin to where the line intersects the axis of ordiuates. In...
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## Elements of analytic geometry

Simon Newcomb - 1885 - 356 páginas
...assume the form a cos a + b sin a — p = ± r. (2) 69. Equation of the tangent expressed in terms of the tangent of the angle which the line makes with the axis of X. Let y = mx -j- b be the equation of the tangent, and x' + y' = r' the equation of the circle. Eliminating...
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## An Easy Introduction to the Higher Treatises on the Conic Sections

John Hunter - 1885 - 87 páginas
...— , or ^-=— ; henco by substitution 2a m 2 m ' which is the equation to the tangent in terms of the tangent of the angle which the line makes with the axis of the parabola. 80. To find the equation to the normal at any point on a parabola. Let (x1, y') be the...
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## Elements of Differential and Integral Calculus

Simon Newcomb - 1887 - 307 páginas
...equation of any straight line through this point may be expressed in the form yy t =m(x- a;,); (5) m being the tangent of the angle which the line makes with the axis of X. But we have shown (§ 20) that m = -p, dx, dy, this differential coefficient being formed by differentiating...
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## Annual Report of the Secretary of War

...showing •he relation between them is practically a right line, whoso equation is v'=an+b, ¡n which a is the tangent of the angle which the line makes with the axis of abscisfa *- aud b tho distance from the origin to tho point of intersection with the axis of "Hliuatcs....
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## Elements of Plane Analytic Geometry, Volume 25

John Daniel Runkle - 1888 - 344 páginas
...If the independent term (7=0, through what point does the line pass? In the equation Ax+By=0, what is the tangent of the angle which the line makes with the axis of X? Upon which of the parameters does the direction of line (/) depend? 2. If A = 0, By + C= 0 ; if B =...
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## Physics of the Earth's Crust

Osmond Fisher - 1889 - 391 páginas
...commonly used for it is - , where c is the capacity for y, V \p, M* V," w. \ •• V. tf4 gradient), is the tangent of the angle which the line makes with the vertical within the several strata. Accordingly it appears that, if observations are taken at underground...
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