Find the principal values of each of the following: `sec^(-1)(-sqrt(2))` (ii) `sec^(-1)(2)`

Find the principal values of each of the following: c o s e c^(-1)(-sqrt(2)) (ii) cos e c^(-1)(-2)

Find the principal value of each of the following: i) cot^(-1)(-sqrt(3)) ii) sec^(-1)(-sqrt(2)) iii) "cosec"^(-1)(-1) .

Find the principal values of each of the following: cot^(-1)(-sqrt(3)) (ii) cot^(-1)(sqrt(3))

Find the principal values of each of the following: sec ^(-1)(2(sin(3 pi))/(4))( ii) sec^(-1)(2(tan(3 pi))/(4))

Find the principal value of each of the following : cos^(-1)(-(sqrt(3))/(2))( ii) cos^(-1)(-(1)/(sqrt(2)))

Find the principal value of each of the following: sin^(-1)(-(sqrt(3))/(2))( (ii) sin^(-1)((cos(2 pi))/(3))( iii) sin^(-1)((sqrt(3)-1)/(2sqrt(2)))

Find the principal value of each of the following: i) cos^(-1)(-1/sqrt(2)) , ii) cos^(-1)(-1/2) , iii) cot^(-1)(-1/sqrt(3))

Find the principal values of each of the following: cot^(-1)(-(1)/(sqrt(3)))( ii) cot^(-1)((tan(3 pi))/(4))

Find the principal value of each of the following: i) sin^(-1)(1/sqrt(2)) ii) cos^(-1)(sqrt(3))/2 iii) tan^(-1)(sqrt(3)) iv) "cosec"^(-1)(2)

Find the principal values of the following : "cosec"^(-1) (-sqrt(2))