The principle value of `cos^(-1)(-1/2)` is ......

The principle value of cos^-1(-sqrt3)/2) is

Find the principle value of sin^(-1)(-1/2) (in radians and degrees)

Find the principal value of "cos"^(-1)(-1/(2)) and find the value of "cos"^(-1)(-1/(2))+"tan"^(-1)(-sqrt(3))-"cosec"^(-1)(2) .

If x+(1)/(x)=2 the principle value of sin^(-1)x is

The principle value of tan^(-1)(sqrt3) is ____

What is the principle value of "cosec"^(-1)(-sqrt(2)) ?

find the principle value of cos^(-1)((sqrt3)/2)

find the principle value of cos^(-1)((sqrt3)/2)