Evaluate `(1)` `cos^(-1)(-1/sqrt2)`
`(2)` `sin^(-1)(-sqrt3/2)`

1. sin^(-1) (1/sqrt2) 2. cos^(-1) (sqrt3/2)

1. sin^(-1) (1/sqrt2) 2. cos^(-1) (sqrt3/2)

sin(cos^(-1)(-sqrt3/2))=?

sin[cos^(-1)(-1/sqrt2)]=?

(a) sin^(-1)(-1/2)=? (b) cos^(-1)(sqrt3/2)=?

Find the principal values of : (1) cos^(-1)((sqrt(3))/(2)) (2) sin^(-1)(-(1)/(sqrt(2))) (3) cot^(-1) (-(1)/(sqrt(3)))

Find the principal value of: i) sin^(-1)(-1/sqrt(2)) , ii) cos^(-1)(-sqrt(3)/2) iii) tan^(-1)(-sqrt(3)) iv) sec^(-1)(-2) v) "cosec"^(-1)(-sqrt(2)) , vii) cot^(-1)(-1/sqrt(3)) .

sin^(-1)(-(sqrt(3))/(2))+cos^(-1)((sqrt(3))/(2))

1. sin^(-1) (-1/2) = 2. tan^(-1) (-sqrt3) =

Find the principal value of cot^(-1)(-sqrt3)+2cosec^(-1)(-2)+cos^(-1)(-sqrt3/2)