ch39-p014 - 14. We follow Sample Problem 39-3 in the...

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2 /4 22 s i n 2 sin 0.091. 24 Ly y ydy L π ππ ⎛⎞ =− = ⎜⎟ ⎝⎠ (c) For the region 3 /4 Lx L ≤≤ , we obtain 3/ 4 4 2 s i n 2 sin 0.82 y L = which we could also have gotten by subtracting the results of part (a) and (b) from 1; that is, 1 – 2(0.091) = 0.82. 14. We follow Sample Problem 39-3 in the presentation of this solution. The integration result quoted below is discussed in a little more detail in that Sample Problem. We note that the arguments of the sine functions used below are in radians.
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