Answer each of the following questions in one word or one sentence or as per exact requirement of the question: Write the value of the expression , when . Two mathematical expressions are shown. The first is tan((sin^-1 x + cos^-1 x) / 2), and the second specifies the value of x as x = sqrt(3)/2.

Q50 of 303 Page 4

Answer each of the following questions in one word or one sentence or as per exact requirement of the question:
Write the value of the expression , when .

Given

We know that sin^-1 x + cos^-1 x = π/2

= tan (π/4)

Answer each of the following questions in one word or one sentence or as per exact requirement of the question:

Write the value of .

Answer each of the following questions in one word or one sentence or as per exact requirement of the question:

Write the value of

Answer each of the following questions in one word or one sentence or as per exact requirement of the question:

Write the principal value of .

Answer each of the following questions in one word or one sentence or as per exact requirement of the question:

The set of values of .