[" 5.For the principal values,evaluate each of the following: "],[[" (i) "cos^(-1)(1)/(2)+2sin^(-1)(1)/(2)," [NCERT,CBSE "2012]]]

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: tan^(-1){2cos(2sin^(-1)((1)/(2)))}cot[sin^(-1){cos(tan^(-1)1)}]

Find the principal value of each of the following: (i) cos^(-1)(-(sqrt(3))/2) (ii) cos^(-1)(-1/(sqrt(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)}]

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

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

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

For the principal values, evaluate the following: sin^(-1)(-(sqrt(3))/2)+cos e c^(-1)(-2/(sqrt(3)))