RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 4 of Exercise 4.2

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Find the principal value of each of the following:



For any x [–1,1], represents an angle in [0, ] whose cosine is x.

Principal value of is .

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