58. Finding area Find the area of the region enclosed by the curve y = x cos x and the x-axis (see the accompanying figure) for а. п/2 —х< Зп/2. b. Зп/2 S x s 5п/2. c. 57/2 < x < 77/2. d. What pattern do you see? What is the area between the curve and the x-axis for 2n 2n + 1 п, n an arbitrary positive integer? Give reasons for your answer. 10 y = x cos x х (Зп 5т\ 2 - 10

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