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" 23."int(0)^( pi/2)(cos^(2)x)/((sin x+c...

" 23."int_(0)^( pi/2)(cos^(2)x)/((sin x+cos x))dx=(1)/(sqrt(2))log(sqrt(2)+1)

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Show that : int_(0)^((pi)/(2))(sin^(2)x)/(sin x+cos x)dx=(1)/(sqrt(2))log(sqrt(2)+1)

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