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Q8 Approximate the value of fo f, sin?(maxy)dydx by dividing the domain into an array of 4 rect- angles (2 x 2), and evaluating the function at the midpoint of each.Section 6.1 Q8 The rectangles have length 2 and height 3, so A = 6. The midpoints are (1, -0.5), (1, 2.5), (3, -0.5) and (3, 2.5). sin (rry)dydr -2 ~ f(1, -0.5) A + f(1, 2.5) A + f(3, -0.5) Af(3, 2.5) A ~4(sin (-0.57) + sin?(2.57) + sin?(-1.5%) + sin?(7.5#)) ~4(1 +1 +1+1) = 16