For the principal values, evaluate each of the following : `cos^(-1)1/2+2sin^(-1)1/2` (ii) `cos^(-1)(1/2)-2sin^(-1)(-1/2)`

For the principal values, evaluate each of the following : (i) cos^(-1) (1/2)+2sin^(-1) (1/2) (ii) cos^(-1)(1/2)-2sin^(-1)(-1/2)

For the principal values,evaluate each of the following :(cos^(-1)1)/(2)+2(sin^(-1)1)/(2) (ii) cos^(-1)((1)/(2))-2sin^(-1)(-(1)/(2))

Find cos^-1(1/2)+2sin^-1(1/2)

Find the values of the following : cos^(-1)(1/2)+2sin^(-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) sin^(-1)(-1/2)+2cos^(-1)(-(sqrt(3))/2) (ii) sin^(-1)(-(sqrt(3))/2)+cos^(-1)((sqrt(3))/2)

For the principal values, evaluate each of the following: tan^(-1){2cos(2s in^(-1)1/2)} "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)}]