What is the value of the following functions (using principal value)
`sin^(-1)("sin"(4pi)/(5))`

What is the value of the following functions (using principal value) tan^(-1)("tan"(5pi)/(6))

What is the value of the following functions (using principal value) "cosec"^(-1)("cosec"(3pi)/(4))

What is the value of the following functions (using principal value) sin^(-1)(-(1)/(2))-cos^(-1)((sqrt(3))/(2))

What is the value of the following functions (using principal value) tan^(-1)(1) - cot^(-1)(-1)

What is the value of the following functions (using principal value) tan^(-1)(1) +cot^(-1)(1)+sin^(-1)(1)

What is the value of the following functions (using principal value) "cosec"^(-1)(sqrt(2))+sec^(-1)(sqrt(2))

The principal value of sin^(-1) (sin""(3 pi)/(5)) is :

The principal value of "sin"^(-1)("sin""(5pi)/(3)) is

Principal value of sin^(-1)[sin((5pi)/(6))] is