JEE Main 202125 Feb, Evening shiftMathematicsMediumTrigonometry118× since 2002cosec[2cot−1(5)+cos−1(45)]\left[ {2{{\cot }^{ - 1}}(5) + {{\cos }^{ - 1}}\left( {{4 \over 5}} \right)} \right][2cot−1(5)+cos−1(54)] is equal to :AOption A. 7556{{75} \over {56}}5675BOption B. 6556{{65} \over {56}}5665COption C. 5633{{56} \over {33}}3356DOption D. 6533{{65} \over {33}}3365CheckSkip · show solution
