RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 7 of Objective Questions

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Mark the tick against the correct answer in the following:

The principal value of cot-1 (-1) is

To Find: The Principle value of

Let the principle value be given by x

Now, let x =

cot x =-1

cot x= - cot() ()=)

cot x=cot() ())

x =

Chapter Exercises

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