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Ramaswami Aiyar, V.
- Normals to an Ellipse from any given Point
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The Journal of the Indian Mathematical Society, Vol 3, No 2 (1911), Pagination: 75-76Abstract
Let a straight line MN of length a+b slide between two rectangular lines XOX', YOY', Let it be divided at P into parts MP = a, PN =b. The locus of P, we know, is an ellipse. In y, fact, if the angle MNO = Φ, the co-ordinates of P are a cosΦ, b sinΦ referred to OX, OY as axes, and P describes the ellipse x2/a2+y2 b2=1 we shall call E.
- Some Metrical Relations Connected with a Pair of Isogonal Conjugates
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The Journal of the Indian Mathematical Society, Vol 3, No 4 (1911), Pagination: 141-146Abstract
Let ABC be a given triangle, O its circumcentre and P,P' a pair of isogonal conjugates. We shall use the following notation :
R for the circumradius of ABC ;
- On Steiner's Tricusp
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The Journal of the Indian Mathematical Society, Vol 3, No 6 (1911), Pagination: 235-235Abstract
Now, let T' conicide with T. Then TT' becomes the tangent at T to the circumcirole. Also, since the Simson lines of T, T' are tangents to Steiner's tricusp, their intersection coincides in the limit, with the point of contact of the Simson line of T and the tricusp.- THE Orthopolar Theory
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The Journal of the Indian Mathematical Society, Vol 4, No 6 (1912), Pagination: 213-216Abstract
General Properties of the Orthopolar CircleLet ABC be a given triangle and D,E,F the middle points of its sides. Let LL' be any straight line ; and Ap, Bq, Cr perpendiculars drawn thereto from the vertices.