document.write( "Question 887860: Trigonometry Given: the 2 points: pt1(X1,Y1) and pt2(X2,Y2) where pt2 is the center of a circle of radius the equal to the distance between pt1 and pt2,
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\n" ); document.write( "segments pt1-pt2 and pt2-pt3 )\r
\n" ); document.write( "\n" ); document.write( "What are general formulae for the coordinates of P3(X?,Y?) ( not just simplified pi/2 or Npi cases )
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Algebra.Com's Answer #537027 by studleylee(1)\"\" \"About 
You can put this solution on YOUR website!
I realized this is a 2D matrix problem and this lady does an excellent howto:
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