Evaluate the following: `cos^(-1)(cos(7pi)/6)`

Evaluate the following: cos^(-1)((cos(7 pi))/(6))

Find the value the following : cos^(-1) (cos . (13pi)/6)

Find the value of the following: cos^(-1)(cos(13 pi)/(6))

Find the principal values of the following cos^(-1) (cos. (13pi)/6)

Evaluate each of the following: cos^(-1)((cos(13 pi))/(6))( ii) cos^(-1)(cos3)( iii) cos^(-1)(cos4)

Evaluate the following: 1*sin^(-1)(sin(2 pi)/(3))2cos^(-1)(cos(7 pi)/(6))3*tan^(-1)(tan(2 pi)/(3))

(cos^(-1)(sin((7 pi)/6))

Evaluate each of the following: cos^(-1){cos(-(pi)/(4))}( ii) cos^(-1)((cos(5 pi))/(4)) (iii) cos^(-1)((cos(4 pi))/(3))

"cos"^(-1)("cos"((7pi)/(5)))=

Evaluate the following: (sin(7 pi))/(12)(cos pi)/(4)-(cos(7 pi))/(12)(sin pi)/(4)