Here is a graph of the function y = r(t) = tan(cos(πt) + .5) + 2:

Question

ibb.co/9qQjRvJ (Graph image)

Estimate the total area under this curve on the interval [0, 12] with a Riemann sum uses 36 equal subdivisions and circumscribed rectangles. Hint: use symmetry to make this problem easier. You get Area =

A. 49.914
B. 86.634
C. 28.044
D. 14.439
E. 57.340

Answer 1

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