" 3."cosec^(-1)(2)

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)

The value of (cot^(-1)(-sqrt(3))+sec^(-1) (1)+tan^(-1)(-1))/(sin^(-1)(1//2) +cos^(-1)(-(sqrt(3))/(2)) +"cosec"^(-1)(-1)) is :

ABC is a triangular park with AB=AC=100 meters. A clock tower is situated at the mid point of BC. The angles of elevation of the tower at A and B are cot^(1) (3.2) and "cosec "^(-1)(2.6) respectively. The height of the tower is

Find the principal values of cosec^(-1)(2) and cosec^(-1)(-(2)/(sqrt(3)))

sec^(-1)(-3/2)+cosec^(-1)(-3/2)=(pi)/2

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

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

The vlaue of tan^(-1)sqrt(3)-sec^(-1)(-2)+cosec^(-1)(2)/sqrt(3) is

The vlaue of tan^(-1)sqrt(3)-sec^(-1)(-2)+cosec^(-1)(2)/sqrt(3) is

(tan^(-1)(sqrt3)-sec^(-1)(-2))/(cosec^(-1)(-sqrt2)+cos^(-1)(-(1)/(2))) is equal to