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

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

cos^(-1)((-1)/(2))-2sin^(-1)((1)/(2))+3cos^(-1)((-1)/(sqrt(2)))-4tan^(-1)(-1) equals to

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

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

Find the principal of : (1) sin ^(-1)((1)/(2)) (2) tan^(-1)(-sqrt(3)) (3) cos^(-1)(-(1)/(sqrt(2))) (4) sin^(-1)(-(1)/(2)) .

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

If quad x_(1)=cos^(-1)((3)/(5))+cos^(-1)((2sqrt(2))/(3)) and x_(2)=sin^(-1)((3)/(5))+sin^(-1)((2sqrt(2))/(5))

Find the value of : tan^(-1) ((-1)/(sqrt(3)))+cos^(-1)((-sqrt(3))/2)+sin^(-1)(1/2)

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

a=sin^(-1)(-(sqrt(2))/(2))+cos^(-1)(-(1)/(2)) and b=tan^(-1)(-sqrt(3))-cot^(-1)(-(1)/(sqrt(3))) ,then