IIT JEE , AIEEE Forum - Mathematics , Analytical Geometry - circumcenter=(x1sin2A+x2sin2B+x3sin3C/sigma sin2A,put y1,y2,y3,in place of x1,x2,x3),how?

karthik_18049200

please solve this if (x1,y1),9x2,y2),9x3,y3) are vertices of a triangle&A,B,C are angles respectively

bvsatyaram

U can find this derivation in almost all standard text books. I hope even ur school text book has this.

It would be too tidious to type in the whole derivation.

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