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 4.4

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Find the domain of

sec–1 x–tan–1x

Domain of sec–1x is (–∞,–1][1,∞)


Domain of tan–1x is


Union of (1) and (2) will be domain of given function


(–∞,–1][1,∞)


(–∞,–1][1,∞)


The domain of given function is (–∞,–1][1,∞).


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