RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 37 of Very short answer

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37

Answer each of the following questions in one word or one sentence or as per exact requirement of the question:

If x < 0, y < 0 such that xy = 1, then write the value of tan–1 x + tan–1 y.


Given if x < 0, y < 0 such that xy = 1


Also given tan-1 x + tan-1 y


We know that




= -π + tan-1 (∞)





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