Posted by **Marlen** on Saturday, November 9, 2013 at 11:14am.

In polar coordinates, the parametric equations x=5+cos(t) and y=sin(t) represent a circle1. In Cartesian coordinates, there is a circle2 that is externally tangent to circle1, tangent to the y-axis, and centered at (12,sqrt b). What is the value of b?

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