[" no Find the principal value "],[[" a "," (i) "cos^(-1)((-1)/(sqrt(2)))," (ii) "cos^(-1)((-1)/(2))]]

Find the principal value of the following: cos^(-1)(-1/(sqrt(2)))

Find the principal values of the following : cos^(-1)((-1)/sqrt2)

Find the principal values of the following. cos^(-1) (-(1)/(sqrt(2)))

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

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

Find the principal values of the following cos ^(-1)(-1/sqrt2)

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

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

Find the principal value of cos^(-1){sin{cos^(-1)(1)/(2))}

Find the principal values of the following. cos^(-1)(-(sqrt(3))/(2))