The Journal of the Indian Mathematical Society

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Isogonal Transformation


     

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If S, H be two points in the plane of a triangle ABC such that 

angle BAS = angle HAC

" CBS= " HBA

" ACS= " HCB

then the points S, H are said to be isogonally conjugate with respect to ABC, and their trilinear co-ordinates with respect to ABC are reciprocal.


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  • Isogonal Transformation

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Abstract


If S, H be two points in the plane of a triangle ABC such that 

angle BAS = angle HAC

" CBS= " HBA

" ACS= " HCB

then the points S, H are said to be isogonally conjugate with respect to ABC, and their trilinear co-ordinates with respect to ABC are reciprocal.