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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1

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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