MathematicsMedium210×since 2002Q3359The value of integral ∫π43π4x1+sinxdx\int_{{\pi \over 4}}^{{{3\pi } \over 4}} {{x \over {1 + \sin x}}dx}∫4π43π1+sinxxdx is :Aπ2\pi \sqrt 2π2Bπ(2−1)\pi \left( {\sqrt 2 - 1} \right)π(2−1)Cπ2(2+1){\pi \over 2}\left( {\sqrt 2 + 1} \right)2π(2+1)D2π(2−1)2\pi \left( {\sqrt 2 - 1} \right)2π(2−1)Check answerSkip