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

Question

Answer each of the following questions in one word or one sentence or as per exact requirement of the question: What is the principal value of ?

Philoid · Accepted Answer

Given sin^-1 (-√3/2)

We know that sin^-1 (-θ) = -sin^-1 (θ)

= - sin^-1 (√3/2)

= -π/3

∴ sin^-1 (-√3/2) = -π/3