Find the area of the region that lies inside both curves r = 0=3π/4 -1 0=π 0=5π/4/ 0=7/2 0=37/2 -1 r = sin-20 0=0 0=π/4

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Find the area of the region that lies inside both curves r = 0=3π/4 -1 0=π 0=5π/4/ 0=7/2 0=37/2 -1 r = sin-20 0=0 0=π/4 0=7π/4, 0=-π/4 0=3π/4 0=n 0=5/4 sin 20 and r = cos 20. 0-/21 0=37/2 Figure 1: r = sin 20 (left) and r = cos 20 (right) r = cos 20 0=π/4 0=0 0=7π/4, 0π/4