| De Volson Wood - 1890 - 642 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** a* -Z>" x is y = mx — m . . Va* + m'b* 57. In the ellipse z* + 4y* = 9, show that the locus of the... | |
| William Shaffer Hall - 1897 - 249 páginas
...Fig. 15. The equation of a FIG. 15. straight line through T is y — y' = a (x — я1), in which a **is the tangent of the angle which the line makes with the** X-axis. By Art. 27, Therefore dx' (1) is the equation of the tangent to the curve y = f(x) at the point... | |
| Henry Neely Ogden - 1899 - 234 páginas
...where the F-axis is cut by the straight line, drawn as nearly as may be through the points; and ft **is the tangent of the angle which the line makes with the -<¥-axis.** In this way four sets of coefficients were obtained, here given in English measure. I. Cement and carefully... | |
| Henry Neely Ogden - 1899 - 234 páginas
...where the F-axis is cut by the straight line, drawn as nearly as may be through the points; and ft **is the tangent of the angle which the line makes with the** X-axis. In this way four sets of coefficients were obtained, here given in English measure. I. Cement... | |
| British Association for the Advancement of Science - 1899
...reading on the logarithmic scale of the point of intersection of the line with the vertical line u=o ; k **is the tangent of the angle which the line makes with the** increasing direction of the axis of u. Thus any curve having an exponential equation of the form /=c¿"... | |
| Mansfield Merriman - 1903 - 585 páginas
...ordinate and log r as the variable abscissa, log m being the intercept on the axis of ordinates and n **the tangent of the angle which the line makes with the axis of** abscissas. On plotting the points corresponding to the values of log v and log r, it is seen that a... | |
| George Alexander Gibson - 1904 - 225 páginas
...horizontal ; when the angle is 90° the gradient is said to be infinite. Trigonometrically , the gradient a **is the tangent of the angle which the line makes with the** o; -axis. When the line has a right-hand downward slope (Fig. 2), the angle may be take.n to be the... | |
| George Alexander Gibson - 1904 - 183 páginas
...by the horizontal advance RS- and this quotient is equal to — 2. Trigonometrically, the gradient a **is the tangent of the angle which the line makes with the** a;-axis. When the line has a right-hand downward slope, the angle may be taken to be the negative angle... | |
| Rolla C. Carpenter - 1906 - 843 páginas
...log B + » log x, which is the equation of a straight line in logarithmic units. In this equation « **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. Paper ruled in this manner can be obtained... | |
| ROLLA C. CARPENTER - 1906
...log B + n log x, which is the equation of a straight line in logarithmic units. 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. Paper ruled in this manner can be obtained... | |
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