JEE MAIN - Mathematics Hindi (2021 - 25th February Evening Shift - No. 8)

cosec$$\left[ {2{{\cot }^{ - 1}}(5) + {{\cos }^{ - 1}}\left( {{4 \over 5}} \right)} \right]$$ का मान है :

$${{75} \over {56}}$$

$${{65} \over {56}}$$

$${{56} \over {33}}$$

$${{65} \over {33}}$$