Simplify the following:
`tan^(-1)(2cos(2"sin"^(-1))1/2)]`

tan^(-1)[2cos(2sin^(-1)(1)/(2))]

Find the values of each of the following : tan^(-1)[2cos(2"sin"^(-1)1/2)]

For the principal values, evaluate each of the following: (i) tan^(-1){2cos(2sin^(-1)(1/2))} (ii) "cot"[sin^(-1){cos(tan^(-1)1)}]

For the principal values, evaluate each of the following: (i) tan^(-1){2cos(2sin^(-1)(1/2))} (ii) cot"[sin^(-1){cos(tan^(-1)1)}]

For the principal values, evaluate each of the following: (i) tan^(-1){2cos(2sin^(-1)(1/2))} , (ii) "cot"[sin^(-1){cos(tan^(-1)1)}]

For the principal values,evaluate each of the following: tan^(-1){2cos(2sin^(-1)((1)/(2)))}cot[sin^(-1){cos(tan^(-1)1)}]

Find the values of the following : tan^(-1)(1)+cos^(-1)(-1/2)+sin^(-1)(-1/2)