RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 15 of Exercise 4B

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Find the principal value of each of the following :


Putting the value of and using the formula

cot-1(-x)= π-cot-1x


Putting the value of





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