The equation of the locus of the foot of the perpendicular from the center of... Analytic Geometry - Page 182by Lewis Parker Siceloff, George Wentworth, David Eugene Smith - 1922 - 290 pagesFull view - About this book
| Kansas Academy of Science. Meeting - Science - 1896 - 440 pages
...of radius — when a (a1 + 61)i and b are the semi-axes of the oval respectively. 1. The equation of the locus of the foot of the perpendicular from the center of an ellipse on a tangent is r1 = a1 cos1 k + V sin1 k, the equation of the ellipse ri cos1 k , ri sini... | |
| Kansas Academy of Science. Meeting - Science - 1896 - 388 pages
...circle of radius when a («'J+62)i and 6 are the semi-axes of the oval respectively. 1. The equation of the locus of the foot of the perpendicular from the center of an ellipse on a tangent is r1 = a* cos2 k + 6" sin' h, the equation of the ellipse r2 cos2 A- . r2... | |
| Ellen Hayes - Calculus - 1900 - 194 pages
...a tangent to the parabola y- = ^px if n = — P 10. Given a parabola, find its axis and focus. 11. The locus of the foot of the perpendicular from the center of the equilateral hyperbola a- 2 — y 2 = a 2 is the lemniscate (a? + y 2 ) 2 = ar(a? — y 2 ). Use... | |
| Charlotte Angas Scott - Conic sections - 1907 - 452 pages
...extremities of a chord has any constant value, the chord passes through a fixed point on the axis. 23. Find the locus of the foot of the perpendicular from the vertex to a tangent. 24. Find the condition to which the coordinates of a line must be subject in order... | |
| 440 pages
...Find the locus of the foot of the perpendicular from (6, 0) to a variable tangent to a;2 + ^2 = a2. 23. Find the locus of the foot of the perpendicular from the origin to a variable tangent to x* + y2 + 2gx + 2fy + с = 0. 24. A is the fixed point (a, 0) outside... | |
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