10.cosec^(-1)(-sqrt(2))

The value of cot^(-1)(-1)+cosec^(-1)(-sqrt(2))+sec^(-1)(2) is

The value of cot^(-1)(-1)+cosec^(-1)(-sqrt(2))+sec^(-1)(2) is

For the principal values, evaluate the following: (i) cot^(-1)(-1)+cosec^(-1)(-sqrt(2))+s e c ^(-1)(2) (ii) cot^(-1)(-sqrt(3))+tan^(-1)(1)+sec^(-1)(2/(sqrt(3)))

Find the principal value of cosec^(-1)(-sqrt(2))

The prinicipal value of "cosec"^(-1)(-sqrt(2)) is -

The principal value of "cosec"^(-1)(-sqrt(2)) is

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