Q38 of 303 Page 4

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 ?


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


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