int_((pi )/(2))^(pi ) sqrt(((-4cos(x))/(x^(2))-(4sin(x))/(x))^(2)+((-4sin(x))/(x^(2))+(4cos(x))/(x))^(2))dx -4cos(x)4sin(x) 2 x x -4sin(x) 2 x 4cos(x T LX x
Added by Rachel H.
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The integrand can be simplified as follows: sqrt(((-4cos(x))/(x^(2))-(4sin(x))/(x))^(2)+((-4sin(x))/(x^(2))+(4cos(x))/(x))^(2)) = sqrt((16cos^2(x)/x^4 - 8cos(x)sin(x)/x^3 + 16sin^2(x)/x^2) + (16sin^2(x)/x^4 + 8cos(x)sin(x)/x^3 + 16cos^2(x)/x^2)) = Show more…
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