4. `cos^-1(cos((7pi)/4))`

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

Find the value of tan^(-1)("tan"(7pi)/(6))+ cos^(-1)("cos"(7pi)/(6))

Principal value of cos^(-1)[cos((7pi)/(6))] is

Find the value of Cos^-1 (Cos ((7pi)/6))

cos^(-1)(cos((7 pi)/(6))) is equal to

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

The value of sin^(-1)(sin""(2pi)/(3))+cos^(-1)(cos""(7pi)/(6)) is

cos^(-1)((cos(7 pi))/(5)) is equal to

Find the value of: i) sin^(-1)(sin (2pi)/3)) , ii) cos^(-1)(cos(7pi)/6) , iii) tan^(-1)(tan(3pi)/4)