RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 38 of Very short answer

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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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