MathematicsMedium66×since 2002Q4085If sin⁻¹(x5)\left( {{x \over 5}} \right)(5x) + cosec⁻¹(54)\left( {{5 \over 4}} \right)(45) = π2{\pi \over 2}2π, then the value of x is :A4B5C1D3Check answerSkip