Question

`"cos"^-1 ("cos" ((7pi)/6))` is equal to ____________.

विकल्प

• `(7pi)/6`

• `(5pi)/6`

• `pi/6`

• `pi/3`

Answer 1

`"cos"^-1 ("cos" ((7pi)/6))` is equal to `underline((5pi)/6)`.