Figure shows a two-arm robot manipulator. The lengths of the arms are 5 and 7 m, respectively. Determine the range of angles that can cover the quadrant working area by avoiding the square block shown. Use the variational approach. 13- 12- 11- 10- 9- 123 4 5 6 7 8 9 10 11 12 13 14 15 X₂

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