RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 3 of Exercise 4.3

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Evaluate each of the following:

We know that, for any x R, represent an angle in whose tangent is x.





Now, becomes,





Therefore the principle value of is .

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