" (iii) "ain^(-1)(-1/2)+2cos^(-1)(-sqrt(3)(2)

For the principal values, evaluate each of the following : (i) sin^(-1)(-1/2)+2cos^(-1)(-(sqrt(3))/2) (ii) sin^(-1)(-(sqrt(3))/2)+cos^(-1)((sqrt(3))/2)

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

For the principal values,evaluate each of the following: sin^(-1)(-(1)/(2))+2cos^(-1)(-(sqrt(3))/(2))( ii) sin^(-1)(-(sqrt(3))/(2))+cos^(-1)((sqrt(3))/(2))

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

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

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

Evaluate each of the following: (cot^(-1)1)/(sqrt(3))-cos ec^(-1)(-2)+sec^(-1)((2)/(sqrt(3))) (ii) cot^(-1){2cos((sin^(-1)(sqrt(3)))/(2))}

If alpha = sin^(-1)(sqrt(3)/2)+sin^(-1)(1/3) , beta =cos ^(-1)(sqrt(3)/2)+cos^(-1)(1/3) then

If alpha = sin^(-1)(sqrt(3)/2)+sin^(-1)(1/3) , beta =cos ^(-1)(sqrt(3)/2)+cos^(-1)(1/3) then

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