Q2 of 303 Page 4

Find the set of values of cosec^–1(√3/2).

Let y = cosec^–1 (√3/2)

We know that,

Domain of y = cosec^–1 x is (– ∞, 1] U [1, ∞]

But √3/2 < 1

Therefore, it can not be a value of y.

Hence, Set of values of cosec^–1(√3/2) is a null set.

Find the principal values of each of the following:

For the principal values, evaluate the following:

Find the set of values of cosec–1(√3/2).