RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 6 of Exercise 4.7

Listen NCERT Audio Books to boost your productivity and retention power by 2X.

6

Evaluate each of the following:

cot(–θ) is –cot(θ)


The equation given above becomes cot–1(–cot)


cot.


Therefore


Let cot–1() = y


cot y =


= cot


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


and cot


The value of cot–1(cot) is .


Chapter Exercises

More Exercise Questions