Posted by ami on Sunday, August 22, 2010 at 6:22pm.
well, A can point in the +x,+y direction, or +x,-y direction.
The angle between A and the x axis will be
theta=arccos 26/55
and Ay= +-55sinTheta
(26)^2 + Y^2 = (55)^2
676 + Y^2 = 3025
Y^2 = 3025 - 676 = 2349,
Y = +- 48.47.
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