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12-40.
  1. Multiple Choice: To find the area of the region in the first quadrant outside the circle r = 4 cos θ and inside the lemniscate r2 = 8 sin 2θ , use the integral: Homework Help ✎

Determine where the functions intersect for the bounds of integration. Remember, this is only in the first quadrant.

Graph the functions to determine which is the "upper" function and which is the "lower" function.

Use the area inside polar curves formula: