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If f(x)=int0^(pi/2)ln(1+xsin^2theta)/(si...

If `f(x)=int_0^(pi/2)ln(1+xsin^2theta)/(sin^2theta) d theta, x >= 0` then :

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If f(x)=int_(0)^((pi)/(2))(ln(1+x sin^(2)theta))/(sin^(2)theta)d theta,x>=0 then :

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int _(0) ^(pi) sin ^(2) theta cos theta d theta

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