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 4.7

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Evaluate each of the following:


The question converts to sec–1


Let sec–1 = z

sec z =

= sec

The range of principal value of sec–1is [0, π]–{}

and sec

Therefore, the value of sec–1sec is .

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