List of top Mathematics Questions on Inverse Trigonometric Functions asked in BCECE

If \(\sin^{-1}(\frac{x}{5})+\cosec^{-1}(\frac{5}{4})=\frac{\pi}{2},\) then the value of x
The value of \(4\tan^{-1}(\frac{1}{5})-\frac{\pi}{4}=\)