RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 1 of Exercise 4.6

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Find the principal values of each of the following:

Let cot–1() = y

cot y =

= – cot

= cot

= cot

The range of principal value of cot–1is (0, π)

and cot

The principal value of cot–1() is

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