Find a definite integral expression that represents the area of the region inside the circle $r = 3 \sin \theta$ and outside the cardioid $r = 1 + \sin \theta$ Then find the exact value of the integral.

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The Answer of Find a definite integral expression that represents the area of the region inside the circle $r = 3 \sin \theta$ and outside the cardioid $r = 1 + \sin \theta$ Then find the exact value of the integral.

Find a Definite Integral Expression That Represents the Area of the Region