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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7

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 =

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