MathematicsMedium210×since 2002Q3354The integral ∫π12π4 8cos2x(tanx+cotx)3 dx\int_{{\pi \over {12}}}^{{\pi \over 4}} {\,\,{{8\cos 2x} \over {{{\left( {\tan x + \cot x} \right)}^3}}}} \,dx∫12π4π(tanx+cotx)38cos2xdx equals :A15128{{15} \over {128}}12815B1564{{15} \over {64}}6415C1332{{13} \over {32}}3213D13256{{13} \over {256}}25613Check answerSkip